157 datasets found
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State
Surface Water Quality Polygon
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
County
Loudoun River and Stream Corridor Resources (RSCR)
Loudoun County, Virginia —
River and Stream Corridor Resources (RSCR) is a part of the Natural and Environmental Resources chapter of the new Loudoun County Zoning Ordinance adopted on Dec 13,... -
Hydrography Lines 2021
District of Columbia —
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect... -
State
Citizen Scientist Monitoring of Rocky Reefs and Kelp Forests, California North Coast MPA Baseline Study, 2014 to 2016
State of California —
RCCA volunteer citizen scientists conducted 18 visual scuba transects at each monitoring site to survey densities and sizes of ecologically and economically important... -
County
Loudoun Trees
Loudoun County, Virginia —
DATA MAINTENANCE / UPDATE FREQUENCY: ANNUALLY - DATA LAST UPDATED BASED ON 2023 IMAGERY More MetadataTree Points are a base map data layer derived by automated... -
State
Citizen Scientist Monitoring of Rocky Reefs and Kelp Forests, California South Coast MPA Baseline Study, 2011 to 2012
State of California —
Reef Check California has surveyed rocky reefs and kelp forests in southern California since 2006 and has up to nine years of data from the MLPA South Coast Study... -
Floodplains from 2023
District of Columbia —
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and... -
State
SSWP Special Status Raptors
State of California —
The SSWP Special Status Raptors Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The California Department of Water... -
State
Characterization of Nearshore Fish Communities Associated with Rocky Reef Habitats, California North Coast MPA Baseline Study, 2014 to 2015
State of California —
To characterize the fish communities associated with nearshore rocky reef habitat, we collaborated with commercial passenger fishing vessel (CPFV) captains and... -
State
Traditional Ecological Knowledge of Keystone Marine Species and Ecosystems, California North Coast MPA Baseline Study, 2014 to 2015
State of California —
This project, Informing the North Coast MPA Baseline: Traditional Ecological Knowledge of Keystone Marine Species and Ecosystems, applies Tribal/Indigenous... -
State
SSWP ESA Listed Terrestrial Wildlife Species California Wildlife Habitat Relationships
State of California —
The SSWP ESA Listed Terrestrial Wildlife Species California Wildlife Habitat Relationships Study is one of many relicensing documents for the South SWP (SSWP)... -
State
305b Assessed River 2020
State of Connecticut —
305b Assessed River, Lake, Estuary 2020: Connecticut 305b Assessed River 2020 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
City
SPR Marine Reserve
City of Seattle —
A hosted feature layer showing the locations of SPR Marine Reserves. These areas have been registered with the State.Source Layer: DPR.MarineReserveThe marine reserve... -
Hydrography Lines
District of Columbia —
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect... -
City
ECA Liquefaction Prone Areas
City of Seattle —
Displays areas with liquefaction zones.A polygon feature class that shows liquefaction zones. Used to implement and regulate the City of Seattle's Environmentally... -
State
Shellfish Area Class Line
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
State
Coastal Area
State of Connecticut —
The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the Coastal Area as defined by Connecticut...
157 datasets found