The following words have the following meanings for the purposes of interpreting and implementing only Part
8 of this chapter, the Critical Area Regulations. The singular always includes the plural, and vice versa, except where such construction would be unreasonable.
ABATEMENTThe act of putting an end to a land alteration or development activity or reducing the degree or intensity of the alteration or activity.
ACCESSORY STRUCTUREA structure that is detached from the principal structure, located on the same lot and clearly incidental and subordinate to a principal structure, or if there is no principal structure on the lot, a structure that is customarily incidental and subordinate to a principal structure.
ADDITIONNewly constructed area that increases the size of a structure.
AFFORESTATIONThe establishment of a tree crop on an area from which it has always or very long been absent, or the planting of open areas which are not presently in forest cover.
AGRICULTURAL EASEMENTA nonpossessory interest in land which restricts the conversion of use of the land, preventing nonagricultural uses.
AGRICULTUREAll methods of production and management of livestock, crops, vegetation, and soil. This includes, but is not limited to, the related activities of tillage, fertilization, pest control, harvesting, and marketing. It also includes, but is not limited to, the activities of feeding, housing, and maintaining of animals such as cattle, dairy cows, sheep, goats, hogs, horses, and poultry and handling their by-products.
ANADROMOUS FISHFish that travel upstream (from their primary habitat in the ocean) to freshwater in order to spawn.
ANADROMOUS FISH PROPAGATION WATERSThose streams that are tributary to the Chesapeake Bay and Atlantic coastal bays in which the spawning of anadromous species of fish (e.g., rockfish, striped bass, yellow perch, white perch, shad, and river herring) occurs or has occurred. The streams are identified by the Department of Natural Resources.
AQUACULTUREFarming or culturing of finfish, shellfish, other aquatic plants or animals, or both, in lakes, streams, inlets, estuaries, and other natural or artificial water bodies or impoundments. Activities include hatching, cultivating, planting, feeding, raising, and harvesting of aquatic plants and animals and the maintenance and construction of necessary equipment, buildings, and growing areas, and cultivation methods include, but are not limited to, seed or larvae development and grow out facilities, fish ponds, shellfish rafts, racks and longlines, seaweed floats and the culture of clams and oysters on tidelands and subtidal areas. For the purpose of this definition, related activities such as wholesale and retail sales, processing and product storage facilities are not considered aquacultural practices.
BEST MANAGEMENT PRACTICES (BMPs)Conservation practices or systems of practices and management measures that control soil loss and reduce water quality degradation caused by nutrients, animal waste, toxics and sediment. Agricultural BMPs include, but are not limited to, strip cropping, terracing, contour stripping, grass waterways, animal waste structures, ponds, minimal tillage, grass and naturally vegetated filter strips, and proper nutrient application measures.
BUFFERArea that is, based on conditions at the time of development, immediately landward from mean high water of tidal waterways, the edge of each bank of a tributary stream, or the landward edge of a tidal wetland and the area exists in, or is established in, natural vegetation to protect a stream, tidal wetland, tidal waters or terrestrial environments from human disturbance. The Buffer includes an area of at least 100 feet even if that area was previously disturbed by human activity or is currently developed and also includes any expansion for contiguous sensitive areas, such as a steep slope, hydric soil, highly erodible soil, nontidal wetland, or a nontidal wetland of special state concern as defined in COMAR 26.23.01.01.
BUFFER MANAGEMENT PLANA narrative, graphic description or plan of the Buffer that is necessary when an applicant proposes a development activity that will affect a portion of the Buffer, alter Buffer vegetation, or require the establishment of a portion of the Buffer in vegetation. A Buffer management plan includes a major Buffer management plan, a minor Buffer management plan, and a simplified Buffer management plan.
BUFFERYARDAn area at least 25 feet wide, located between development activity and tidal waters, tidal wetlands, or a tributary stream, planted with vegetation consisting of native canopy trees, understory trees, shrubs, and perennial herbaceous plants that is used in Modified Buffer Areas to provide water quality and habitat benefits. This area is to be managed and maintained in a manner that optimizes these benefits.
[Amended 5-22-2023 by Ord. No. 2023-003]
CALIPERThe diameter of a tree measured at two inches above the root collar.
CANOPY TREEA tree that when mature commonly reaches a height of at least 35 feet.
CLUSTER DEVELOPMENTA residential development in which dwelling units are concentrated in a selected area or selected areas of the development tract so as to provide natural habitat or other open space uses on the remainder.
COLONIAL NESTING WATERBIRDSHerons, egrets, terns, and glossy ibis. For the purposes of nesting, these birds congregate (that is "colonize") in relatively few areas, at which time the regional populations of these species are highly susceptible to local disturbances.
COMARThe Code of Maryland Regulations, as from time to time amended, including any successor provisions.
COMMUNITY PIERSBoat docking facilities associated with subdivisions or similar residential areas and with condominium, apartment and other multiple-family dwelling units. Private piers are excluded from this definition.
COMPREHENSIVE OR MASTER PLANA compilation of policy statements, goals, standards, maps and pertinent data relative to the past, present and future trends of the local jurisdiction, including, but not limited to, its population, housing, economics, social patterns, land uses, water resources and their use, transportation facilities and public facilities prepared by or for the Planning Board, agency or office.
CONSERVATION EASEMENTA nonpossessory interest in land which restricts the manner in which the land may be developed in an effort to reserve natural resources for future use.
CONSOLIDATIONA combination of any legal parcel of land or recorded legally buildable lot into fewer lots or parcels than originally existed. An application for consolidation may include a subdivision, lot line abandonment, boundary line adjustment, replatting request, or lot line adjustment.
CRITICAL AREAAll lands and waters defined in § 8-1807 of the Natural Resources Article, Annotated Code of Maryland. They include:
A. All waters of and lands under the Chesapeake Bay and Atlantic coastal bays and their tributaries to the head of tide as indicated on state wetland maps;
B. All state and private wetlands designated under Title 16 of the Environment Article, Annotated Code of Maryland;
C. All land and water areas within 1,000 feet beyond the landward boundaries of state or private wetlands and the heads of tides designated under Title 16 of the Environment Article, Annotated Code of Maryland; and
D. Modification to these areas through inclusions or exclusions proposed by local jurisdictions and approved by the Commission as specified in § 8-1807 of the Natural Resources Article, Annotated Code of Maryland.
CRITICAL AREA COMMISSIONThe Critical Area Commission for the Chesapeake and Atlantic Coastal Bays.
[Amended 7-11-2022 by Ord. No. 2022-001]
DENSITYThe number of dwelling units per acre within a defined and measurable area.
DEVELOPED WOODLANDSAn area of trees or of trees and natural vegetation that is interspersed with residential, commercial, industrial or recreational development.
DEVELOPERA person who undertakes development activity as defined in this program or a person who undertakes development activity as defined in the criteria of the Commission.
DEVELOPMENTAny activity that materially affects the condition or use of dry land, land under water, or any structure.
DEVELOPMENT ACTIVITIESThe construction or substantial alteration of residential, commercial, industrial, institutional or transportation facilities or structures and/or the substantial alternation of the land, including the shoreline and land underwater.
DISTURBANCEAn alteration or change to the land. It includes any amount of clearing, grading, or construction activity. Disturbance does not include gardening or maintaining an existing grass lawn.
DOCUMENTED BREEDING BIRD AREASForested areas where the occurrence of interior dwelling birds, during the breeding season, has been demonstrated as a result of on-site surveys using standard biological survey techniques.
DWELLING UNITA single unit providing complete, independent living facilities for at least one person, including permanent provisions for sanitation, cooking, eating, sleeping, and other activities routinely associated with daily life. "Dwelling unit" includes a living quarters for a domestic or other employee or tenant, an in-law or accessory apartment, a guesthouse, or a caretaker residence.
ECOSYSTEMA more or less self-contained biological community together with the physical environment in which the community's organisms occur.
ENDANGERED SPECIESAny species of fish, wildlife, or plants that have been designated as endangered by regulation by the Secretary of the Department of Natural Resources. Designation occurs when the continued existence of these species as viable components of the state's resources is determined to be in jeopardy. This includes any species determined to be an endangered species pursuant to the Federal Endangered Species Act, 16 U.S.C. § 1531 et seq., as amended.
[Amended 5-22-2023 by Ord. No. 2023-003]
ESTABLISHMENTThe planting or regeneration of native vegetation throughout the Buffer.
EXCESS STORMWATER RUNOFFAll increases in stormwater resulting from:
A. An increase in the imperviousness or lot coverage of the site, including all additions to buildings, roads, and parking lots;
B. Changes in permeability caused by compaction during construction or modifications in contours, including the filling or drainage of small depression areas;
C. Alteration of drainage ways, or regrading of slopes;
D. Destruction of forest; or
E. Installation of collection systems to intercept street flows or to replace swales or other drainage ways.
FINANCIAL ASSURANCEA performance bond, letter of credit, cash deposit, insurance policy, or other instrument of security acceptable to the Town of Chesapeake City.
FISHERIES ACTIVITIESCommercial water dependent fisheries facilities including structures for the parking, processing, canning, or freezing of finfish, crustaceans, mollusks, and amphibians and reptiles and also including related activities such as wholesale and retail sales product storage facilities, crab shedding, off-loading docks, shellfish culture operations, and shore-based facilities necessary for aquacultural operations.
FORESTA biological community dominated by trees and other woody plants covering a land area of 10,000 square feet or greater. "Forest" includes areas that have at least 100 trees per acre with at least 50% of those trees having two-inch or greater diameter at 4.5 feet above the ground and forest areas that have been cut, but not cleared. "Forest" does not include orchards.
FOREST INTERIOR DWELLING BIRDSSpecies of birds which require relatively large forested tracts in order to breed successfully (for example, various species of flycatchers, warblers, vireos, and woodpeckers).
FOREST INTERIOR DWELLING BIRD HABITATExisting riparian forests, such as relatively mature forests of at least 300 feet in width which occur adjacent to streams, wetlands, or the shoreline of the Chesapeake Bay, the Atlantic coastal bays, or their tributaries; forests utilized as breeding areas by forest interior dwelling birds and other wildlife species, such as relatively mature forests within the Critical Area of 100 acres or more, or forest connected with these breeding areas.
[Added 7-11-2022 by Ord. No. 2022-001]
FOREST MANAGEMENTThe protection, manipulation, and utilization of the forest to provide multiple benefits, such as timber harvesting, water transpiration, wildlife habitat, etc.
FULLY ESTABLISHEDThe Buffer contains as much diverse, native vegetation as necessary to support a firm and stable riparian habitat capable of self-sustaining growth and regeneration.
GROWTH ALLOCATIONThe number of acres of land in the Critical Area that the Town of Chesapeake City may use to create new Intensely Developed Areas and new Limited Development Areas. The growth allocation is 5% of the total Resource Conservation Area acreage in the Town of Chesapeake City at the time the Critical Area Commission approved the Town's original Critical Area Program, not including tidal wetlands or land owned by the federal government.
HABITAT PROTECTION PLANA plan that provides for the protection and conservation of the species and habitats identified as Habitat Protection Areas in the Critical Area. The plan shall be specific to the site or area where the species or its habitat is located and shall address all aspects of a proposed development activity that may affect the continued presence of the species. These include, but are not limited to, cutting, clearing, alterations of natural hydrology, and increases in lot coverage. In developing the plan, an applicant shall coordinate with the Department of Natural Resources to ensure that the plan is adequate to provide for long-term conservation and can be effectively implemented on the specific site.
HAZARDOUS TREEA tree with a structural defect, such as a crack, canker, weak branch union, decay, dead wood, root damage, or root disease, that decreases the structural integrity of the tree and which, because of its location, is likely to fall and cause personal injury or property damage, including acceleration of soil erosion; or based on its location in the landscape, a healthy tree that, with continued normal growth, will damage an existing permanent structure or significantly increase the likelihood of soil erosion.
HIGHLY ERODIBLE SOILSThose soils with a slope greater than 15% or those soils with a K value greater than 0.35 and with slopes greater than 5%.
HISTORIC WATERFOWL STAGING AND CONCENTRATION AREAAn area of open water and adjacent marshes where waterfowl gather during migration and throughout the winter season. These areas are historic in the sense that their location is common knowledge and because these areas have been used regularly during recent times.
HYDRIC SOILSSoils that are wet frequently enough to periodically produce anaerobic conditions, thereby influencing the species composition or growth, or both, of plants on those soils.
HYDROPHYTIC VEGETATIONThose plants cited in "Vascular Plant Species Occurring in Maryland Wetlands" (Dawson, F. et al., 1985) which are described as growing in water or on a substrate that is at least periodically deficient in oxygen as a result of excessive water content (plants typically found in water habitats).
IMMEDIATE FAMILYA father, mother, son, daughter, grandfather, grandmother, grandson, or granddaughter.
IN-KIND REPLACEMENTThe replacement of a structure with another structure that is smaller than or identical to the original structure in footprint area, width, length, and use.
INTENSELY DEVELOPED AREAAn area of at least 20 acres or the entire upland portion of the Critical Area within a municipal corporation, whichever is less, where residential, commercial, institutional, or industrial developed land uses predominate and a relatively small amount of natural habitat occurs. These areas include:
A. An area with a housing density of at least four dwelling units per acre.
B. An area with public water and sewer systems with a housing density of more than three dwelling units per acre.
INVASIVE SPECIESA species that is nonnative or alien to the ecosystem under consideration whose introduction causes or is likely to cause economic or environmental harm or harm to human health.
K VALUEThe soil erodibility factor in the Universal Soil Loss Equation. It is a quantitative value that is experimentally determined.
LAND CLEARINGAny activity that removes the vegetative ground cover.
LANDWARD EDGEThe limit of a site feature that is farthest away from a tidal water, tidal wetland, or tributary stream.
LARGE SHRUBA shrub that, when mature, reaches a height of at least six feet.
LEGALLY DEVELOPEDAll physical improvements to a property that existed before Critical Area Commission approval of a local program or were properly permitted in accordance with the provisions of the local program in effect at the time of construction.
LIMIT OF DISTURBANCEThe area of a development or redevelopment activity that includes temporary disturbance and permanent disturbance.
LIMITED DEVELOPMENT AREAAn area with a housing density ranging from one dwelling unit per five acres up to four dwelling units per acre; with a public water or sewer system; that is not dominated by agricultural land, wetland, forests, barren land, surface water, or open space; or that is less than 20 acres and otherwise qualifies as an Intensely Developed Area under the definition in this program.
LIVING SHORELINEA suite of stabilization and erosion control measures that preserve the natural shoreline and are designed to minimize shoreline erosion, maintain coastal process, and provide aquatic habitat. Measures must include marsh plantings and may include the use of sills, sand containment structures, breakwaters, or other natural components.
LOCAL SIGNIFICANCEDevelopment of a minor scale which causes environmental or economic consequences that are largely confined to the immediate area of the parcel of land on which it is located, does not substantially affect the Critical Area Program of the Town of Chesapeake City, and is not considered to be major development as defined in this program.
LOT COVERAGEThe percentage of a total lot or parcel that is occupied by a structure, accessory structure, parking area, driveway, walkway, or roadway or covered with pavers, walkway gravel, stone, shell, impermeable decking, permeable pavement, or any other man-made material. "Lot coverage" includes the ground area covered or occupied by a stairway or impermeable deck but does not include a fence or wall that is less than one foot in width that has not been constructed with a footer; a walkway in the Buffer or expanded Buffer, including a stairway, that provides direct access to a community or private pier; a wood mulch pathway; or a deck with gaps to allow water to pass freely.
[Amended 5-22-2023 by Ord. No. 2023-003]
MAJOR DEVELOPMENTDevelopment of a scale that may cause statewide, regional, or interjurisdictional environmental or economic effects in the Critical Area, or which may cause substantial impacts on the Critical Area Program of a local jurisdiction. This development includes, but is not limited to, airports, power plants, wastewater treatment plants, highways, regional utility transmission facilities, prisons, hospitals, public housing projects, public beaches, and intensely developed park and recreation facilities.
MARINAAny facility for the mooring, berthing, storing, or securing of watercraft, but not including community piers and other noncommercial boat docking and storage facilities.
MITIGATIONAn action taken to compensate for adverse impacts to the environment resulting from development, development activity, or a change in land use or intensity.
MODIFIED BUFFER AREA (MBA)An area officially mapped by the Town of Chesapeake City and approved by the Critical Area Commission as an MBA, where it has been sufficiently demonstrated that the existing pattern of residential, industrial, commercial, institutional, or recreational development prevents the Buffer from fulfilling its water quality and habitat functions, and where development in accordance with specific MBA provisions can be permitted in the Buffer without a variance.
[Added 7-11-2022 by Ord. No. 2022-001]
NATIVE PLANTA species that is indigenous to the physiographic area in Maryland where the planting is proposed.
NATURAL FEATURESComponents and processes present in or produced by nature, including, but not limited to, soil types, geology, slopes, vegetation, surface water, drainage patterns, aquifers, recharge areas, climate, floodplains, aquatic life, and wildlife.
NATURAL FOREST VEGETATIONVegetation consisting of canopy trees, understory trees, shrubs, and herbaceous plants that are typically found in riparian areas in the State of Maryland. Areas of natural forest vegetation planted to meet the mitigation requirements in this chapter shall resemble the structure and species composition of natural forests.
NATURAL HERITAGE AREAAny communities of plants or animals which are considered to be among the best statewide examples of their kind and are designated by regulation by the Secretary of the Department of Natural Resources.
NATURAL REGENERATIONThe natural establishment of trees and other vegetation with at least 400 free-to-grow seedlings per acre, which are capable of reaching a height of at least 20 feet at maturity.
NATURAL VEGETATIONThose plant communities that develop in the absence of human activities.
NATURE-DOMINATEDA condition where landforms or biological communities, or both, have developed by natural processes in the absence of human activities.
NEW DEVELOPMENTThat for purposes of implementing specific provisions of this program, "new development" (as opposed to "redevelopment") means a development activity that takes place on a property with predevelopment imperviousness (in IDA) or lot coverage (in LDA and RCA) of less than 15% as of December 1, 1985.
NONPOINT SOURCE POLLUTIONPollution generated by diffuse land use activities rather than from an identifiable or discrete facility. It is conveyed to waterways through natural processes, such as rainfall, storm runoff, or groundwater seepage rather than by deliberate discharge. Nonpoint source pollution is not generally corrected by end-of-pipe treatment, but rather by changes in land management practices.
NONTIDAL WETLANDSThose areas regulated under Title 5, Subtitle 9 of the Environment Article that are inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions, commonly known as "hydrophytic vegetation." The determination of whether an area is a nontidal wetland shall be made in accordance with the publication know as the "Federal Manual for Identifying and Delineating Jurisdictional Wetlands," published in 1989 and as may be amended. Nontidal wetlands do not include tidal wetlands regulated under Title 16 of the Environment Article of the Annotated Code of Maryland.
[Amended 5-22-2023 by Ord. No. 2023-003]
NON-WATER-DEPENDENT PROJECTConstruction of a temporary or permanent structure which by reason of its intrinsic nature or operation does not require location in or over state or private tidal wetlands.
OFFSETSStructures or actions that compensate for undesirable impacts.
OPEN SPACELand and water areas retained in an essentially undeveloped state.
PALUSTRINEAll nontidal wetlands dominated by trees, shrubs, persistent emergent plants, or emergent mosses or lichens and all such wetlands that occur in tidal areas where the salinity due to ocean-derived salts is below 1/2 part per 1,000 parts of water.
PERMANENT DISTURBANCEA material, enduring change in the topography, landscape, or structure that occurs as part of a development or redevelopment activity.
A. "Permanent disturbance" includes:
(1) Construction or installation of any material that will result in lot coverage;
(3) Except under Subsection B(3) of the definition of "temporary disturbance" in this section, grading; and
(4) Except under Subsection B(2) of the definition of "temporary disturbance" in this section, clearing of a tree, forest, or developed woodland.
B. "Permanent disturbance" does not include a septic system on a lot created before local program approval if the septic system is located in existing grass or clearing is not required.
PERSONAn individual, partnership, corporation, contractor, property owner, or any other person or entity.
PHYSIOGRAPHIC FEATURESThe soils, topography, land slope and aspect, and local climate that influence the form and species composition of plant communities.
PIERAny pier, wharf, dock, walkway, bulkhead, breakwater, pile or other similar structure. "Pier" does not include any structure on pilings or stilts that was originally constructed beyond the landward boundaries of state or private wetlands.
PLANT HABITATA community of plants commonly identifiable by the composition of its vegetation and its physiographic characteristics.
PORTA facility or area established or designated by the state or local jurisdictions for purposes of waterborne commerce.
PRINCIPAL STRUCTUREThe primary or predominant structure on any lot or parcel. For residential parcels or lots, the principal structure is the primary dwelling.
PROGRAM AMENDMENTAny change or proposed change to an adopted program that is not determined by the Chairperson of the Critical Area Commission to be a program refinement.
PROGRAM REFINEMENTAny change or proposed change to an adopted program that the Chairperson of the Critical Area Commission determines will result in a use of land or water in the Chesapeake Bay Critical Area or Atlantic Coastal Bays Critical Area in a manner consistent with the adopted program, or that will not significantly affect the use of land or water in the Critical Area. Program refinement may include:
A. A change to an adopted program that results from state law;
B. A change to an adopted program that affects local processes and procedures;
C. A change to a local ordinance or code that clarifies an existing provision; and
D. A minor change to an element of an adopted program that is clearly consistent with the provisions of State Critical Area Law and all the criteria of the Commission.
PROJECT APPROVALSThe approval of development, other than development by the state or local government, in the Chesapeake Bay Critical Area by the appropriate local approval authority. The term includes approval of subdivision plats and site plans; inclusion of areas within floating zones; issuance of variances, special exceptions and conditional use permits; and issuance of zoning permits. The term does not include building permits.
PROPERTY OWNERA person holding title to a property or two or more persons holding title to a property under any form of joint-ownership.
RECLAMATIONThe reasonable rehabilitation of disturbed land for useful purposes, and the protection of the natural resources of adjacent areas, including water bodies.
RECONFIGURATIONA change of the configuration of an existing lot or parcel line of any legal parcel of land or recorded legally buildable lot. An application for reconfiguration may include a subdivision, a lot line adjustment, a boundary line adjustment, a replatting request, or a revision of acreage to increase density.
REDEVELOPMENTThe process of developing land which is or has been developed. For purposes of implementing specific provisions of this program, "redevelopment" (as opposed to "new development") means a development activity that takes place on property with predevelopment imperviousness (in IDA) or lot coverage (in LDA and RCA) of 15% or greater.
REFORESTATIONThe establishment of a forest through artificial reproduction or natural regeneration.
RESOURCE CONSERVATION AREAAn area that is characterized by nature dominated environments, such as wetlands, surface water, forests, and open space, and resource-based activities, such as agriculture, forestry, fisheries, or aquaculture. Resource Conservation Areas include areas with a housing density of less than one dwelling per five acres.
RESOURCE UTILIZATION ACTIVITIESAny and all activities associated with the utilization of natural resources, such as agriculture, forestry, surface mining, aquaculture, and fisheries activities.
RESTORATIONThe act of returning a site or area to an original state or any action that reestablishes all or a portion of the ecological structure and functions of a site or area.
RIPARIAN HABITATA habitat that is strongly influenced by water and which occurs adjacent to streams, shorelines, and wetlands.
ROADA public thoroughfare that is under the jurisdiction of the state, a county, a municipal corporation, or any other public body. "Road" does include a drive aisle or driveway.
SEASONALLY FLOODED WATER REGIMEA condition where surface water is present for extended periods, especially early in the growing season, and when surface water is absent, the water table is often near the land surface.
SELECTIONThe removal of single, scattered, mature trees or other trees from uneven-aged stands by frequent and periodic cutting operations.
SHORE EROSION PROTECTION WORKSThose structures or measures constructed or installed to prevent or minimize erosion of the shoreline in the Critical Area.
SMALL SHRUBA shrub that, when mature, reaches a height no greater than six feet.
SPECIES IN NEED OF CONSERVATIONThose fish and wildlife whose continued existence as part of the state's resources is in question and which may be designated by regulation by the Secretary of Natural Resources as in need of conservation pursuant to the requirements of Natural Resources Article §§ 10-2A-06 and 4-2A-03, Annotated Code of Maryland.
STRUCTUREAnything constructed or erected on or over land that may or may not result in lot coverage. "Structure" means building or construction materials, or a combination of those materials, that are purposely assembled or joined together on or over land or water. "Structure" includes a temporary or permanent fixed or floating pier, piling, deck, walkway, dwelling, building, boathouse, platform, gazebo, or shelter for the purpose of marine access, navigation, working, eating, sleeping, or recreating.
SUBSTANTIAL ALTERATIONAny repair, reconstruction, or improvement of a principal structure, where the proposed footprint equals or exceeds 50% of the existing principal structure.
SUPPLEMENTAL PLANTING PLANA description and landscape schedule that shows the proposed species type, quantity, and size of plants to be located within a Buffer if natural regeneration does not meet the required stem density.
TEMPORARY DISTURBANCEA. A short-term change in the landscape that occurs as part of a development or redevelopment activity.
B. "Temporary disturbance" includes:
(1) Storage of materials that are necessary for the completion of the development or redevelopment activity;
(2) Construction of a road or other pathway that is necessary for access to the site of the development or redevelopment activity, if the road or pathway is removed immediately after completion of the development or redevelopment activity and the area is restored to its previous vegetative condition; and
(3) Grading of a development site, if the area is restored to its previous vegetative condition immediately after completion of the development or redevelopment activity.
C. "Temporary disturbance" does not include:
(1) A septic system in a forest or developed woodland on a lot created before local program approval, if clearing is required; and
THINNINGA forest practice used to accelerate tree growth of quality trees in the shortest interval of time.
THREATENED SPECIESAny species of fish, wildlife, or plants designated as such by regulation by the Secretary of the Department of Natural Resources that appear likely, within the foreseeable future, to become endangered, including any species of wildlife or plant determined to be a threatened species pursuant to the federal Endangered Species Act, 16 U.S.C. § 1531 et seq., as amended.
TOPOGRAPHYThe existing configuration of the earth's surface including the relative relief, elevation, and position of land features.
TRANSITIONAL HABITATA plant community whose species are adapted to the diverse and varying environmental conditions that occur along the boundary that separates aquatic and terrestrial areas.
TRANSPORTATION FACILITIESAnything that is built, installed, or established to provide a means of transport from one place to another.
TRIBUTARY STREAMA perennial stream or intermittent stream within the Critical Area that has been identified by site inspection or in accordance with local program procedures approved by the Critical Area Commission.
UNDERSTORYThe layer of forest vegetation typically located underneath the forest canopy.
UNDERSTORY TREEA tree that, when mature, reaches a height between 12 feet and 35 feet.
UNWARRANTED HARDSHIPWithout a variance, an applicant would be denied reasonable and significant use of the entire parcel or lot for which the variance is requested.
UTILITY TRANSMISSION FACILITIESFixed structures that convey or distribute resources, wastes, or both, including but not limited to electrical lines, water conduits and sewer lines.
WATER-DEPENDENT FACILITIESThose structures or works associated with industrial, maritime, recreational, educational, or fisheries activities that require location at or near the shoreline within the Buffer. An activity is water-dependent if it cannot exist outside the Buffer and is dependent on the water by reason of the intrinsic nature of its operation. Such activities include, but are not limited to, ports, the intake and outfall structures of power plants, water-use industries, marinas and other boat docking structures, public beaches and other public water-oriented recreation areas, and fisheries activities.
WATER-USE INDUSTRYAn industry that requires location near the shoreline because it utilizes surface waters for cooling or other internal purposes.
WATERFOWLBirds that frequent and often swim in water, nest and raise their young near water, and derive at least part of their food from aquatic plants and animals.
WILDLIFE CORRIDORA strip of land having vegetation that provides habitat and safe passage for wildlife.
WILDLIFE HABITATThose plant communities and physiographic features that provide food, water, cover, and nesting areas, as well as foraging and feeding conditions necessary to maintain populations of animals in the Critical Area.