This is the biological stream survey monitoring dataset collected by the National Capital Region Network (NCRN) Inventory and Monitoring Program from 2004 through 2022. Biological stream surveys (BSSs) collect information about fish, macroinvertebrates, and habitat quality and quantity in perennial nontidal streams. Measurements were collected at 53 sites in the National Capital Region, with 37 extant and 16 retired sites as of 2024. Most sites have one or two site visits.

This is the amphibian monitoring dataset collected by the National Capital Region Network (NCRN) Inventory and Monitoring Program through 2024.

Overview The Central Valley Project Improvement Act (CVPIA) funds habitat improvement work and associated monitoring in the Central Valley of California to increase salmonid populations in furtherance of meeting CVPIA fish doubling goals. This data package contains two datasets for White Sturgeon (Acipenser transmontanus) monitoring in the San Joaquin River (SJR) conducted by the US Fish and Wildlife Service, Lodi Fish and Wildlife Office. The objective of this sampling to was determine if White Sturgeon were spawning in the San Joaquin River and to explore where and when spawning occurred, within areas where adult White Sturgeon were known to congregate during the suspected spawning season. SJR_Egg_WST_Set Data This dataset contains data on egg mat sets used to document White Sturgeon spawning in the San Joaquin River. Sets were made at non-random locations from February to May in 2011-2018. In 2017, additional “blitz” sets were used in areas where eggs were detected. Details about set location, timing, and environmental conditions are included, along with the total number eggs of White Sturgeon and other non-sturgeon eggs. SJR_Egg_WST_Catch Data This dataset contains data specific to eggs found in egg mat nets in the San Joaquin River. Across all years, the diameter of eggs (or groups of eggs) were recorded. In 2011 and 2012, efforts were made to describe the developmental stage of White Sturgeon eggs and estimates of spawning timing were sometimes calculated.

This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program fish assemblages tabular data collected during 1994-2011 in Olympic National Park (OLYM). The protocol, publications, and all other associated links can be found in the project reference NCCN Monitoring Fish Assemblages: https://irma.nps.gov/DataStore/Reference/Profile/2182112 Olympic National Park is the only national park in the lower 48 states that contains significant numbers of wild Pacific salmonids, with at least 70 populations in park rivers. These rivers represent some of the largest tracts of contiguous, undisturbed habitat throughout the range of several key fish species of the Pacific Northwest. These watersheds are of high regional importance as freshwater habitat sanctuaries for native fish, where habitat conditions are characterized as having little to no disturbance from development, channelization, impervious surfaces, roads, diversions, or hydroelectric projects. Salmonids are critical to ecosystem function by linking freshwater, marine, and terrestrial ecosystems. Pacific salmonids provide food for over 130 species of aquatic and terrestrial wildlife species and they contribute significant amounts of marine-derived nutrients to freshwater systems through spawned salmon carcasses. Fishery resources are of high ecological and cultural importance in Pacific Northwest National Parks, and significantly contribute to economically important recreational, commercial, and tribal fisheries. Olympic National Park rivers contain federally threatened fish populations (e.g. bull trout, Salvelinus confluentus) and non-commercial fish species such as mountain whitefish (Prosopium williamsoni). Cutthroat trout (Oncorhynchus clarkii) and summer steelhead (Oncorhynchus mykiss) also are important species targeted by recreational anglers. Prior to the inception of this monitoring project there were no existing monitoring programs for non-commercial (e.g., Pacific salmonids) fish species in Olympic Peninsula rivers. In this project, fish communities were monitored via repeated intensive snorkel surveys within approximately five kilometer reference sites from May to December across eight park rivers and five wadeable streams. Specific monitoring objectives of this protocol are to determine seasonal and annual trends in: (1) fish species composition, (2) timing of migration of adult fish, (3) relative abundance, (4) age and size structure, and (5) extent of non-native and hatchery fish. To detect seasonal and annual trends in fish assemblages in reference sites, we relied on repeated and consistent annual sampling at each monitoring site. The general rationale for the repeated sampling of reference sites, about 10 surveys per river per year, is to ensure that we account for the high interannual variability in fish movements and abundances in rivers.

This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program fish assemblages tabular data collected during 1994-2011 in Olympic National Park (OLYM). The protocol, publications, and all other associated links can be found in the project reference NCCN Monitoring Fish Assemblages: https://irma.nps.gov/DataStore/Reference/Profile/2182112 Olympic National Park is the only national park in the lower 48 states that contains significant numbers of wild Pacific salmonids, with at least 70 populations in park rivers. These rivers represent some of the largest tracts of contiguous, undisturbed habitat throughout the range of several key fish species of the Pacific Northwest. These watersheds are of high regional importance as freshwater habitat sanctuaries for native fish, where habitat conditions are characterized as having little to no disturbance from development, channelization, impervious surfaces, roads, diversions, or hydroelectric projects. Salmonids are critical to ecosystem function by linking freshwater, marine, and terrestrial ecosystems. Pacific salmonids provide food for over 130 species of aquatic and terrestrial wildlife species and they contribute significant amounts of marine-derived nutrients to freshwater systems through spawned salmon carcasses. Fishery resources are of high ecological and cultural importance in Pacific Northwest National Parks, and significantly contribute to economically important recreational, commercial, and tribal fisheries. Olympic National Park rivers contain federally threatened fish populations (e.g. bull trout, Salvelinus confluentus) and non-commercial fish species such as mountain whitefish (Prosopium williamsoni). Cutthroat trout (Oncorhynchus clarkii) and summer steelhead (Oncorhynchus mykiss) also are important species targeted by recreational anglers. Prior to the inception of this monitoring project there were no existing monitoring programs for non-commercial (e.g., Pacific salmonids) fish species in Olympic Peninsula rivers. In this project, fish communities were monitored via repeated intensive snorkel surveys within approximately five kilometer reference sites from May to December across eight park rivers and five wadeable streams. Specific monitoring objectives of this protocol are to determine seasonal and annual trends in: (1) fish species composition, (2) timing of migration of adult fish, (3) relative abundance, (4) age and size structure, and (5) extent of non-native and hatchery fish. To detect seasonal and annual trends in fish assemblages in reference sites, we relied on repeated and consistent annual sampling at each monitoring site. The general rationale for the repeated sampling of reference sites, about 10 surveys per river per year, is to ensure that we account for the high interannual variability in fish movements and abundances in rivers.

Since 2005, the U.S. Geological Survey - Great Lakes Science Center's Lake Erie Biological Station (LEBS) has participated in a collaborative, multiagency effort to assess pelagic prey fish populations in the western (WB), central (CB), and eastern (EB) basins of Lake Erie through a combination of hydroacoustic and midwater trawl sampling. Assessing lake-wide distribution and abundance of pelagic prey species over time facilitates evaluation of large-scale drivers of fish production while also considering food-web dynamics at a smaller sub-basin scale. Information from this survey will support decision making within an ecosystem-based fishery management framework. In support of binational Great Lakes fishery management, the objectives of this survey are to provide density estimates of key pelagic prey species across Lake Erie, to assess spatial distributions of fishes, and annual fluctuations in abundance. A stratified-random sampling approach including 24 strata was carried out during July (Summer), starting in 2022. This data release adds 2024 data to the set for a total of 3 years using the standardized survey design and data processing workflow.

Rivers and Streams data for the National Aquatic Resource Surveys. This dataset is associated with the following publication: Herlihy, A., J. Sifneos, R. Hughes, D. Peck, and R. Mitchell. The Relation of Lotic Fish and Benthic Macroinvertebrate Condition Indices to Environmental Factors Across the Conterminous USA. ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, USA, 112: 105958, (2020).

Rivers and Streams data for the National Aquatic Resource Surveys. This dataset is associated with the following publication: Herlihy, A., J. Sifneos, R. Hughes, D. Peck, and R. Mitchell. The Relation of Lotic Fish and Benthic Macroinvertebrate Condition Indices to Environmental Factors Across the Conterminous USA. ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, USA, 112: 105958, (2020).

Since 2005, the U.S. Geological Survey - Great Lakes Science Center's Lake Erie Biological Station (LEBS) has participated in a collaborative, multiagency effort to assess pelagic prey fish populations in the western (WB), central (CB), and eastern (EB) basins of Lake Erie through a combination of hydroacoustic and midwater trawl sampling. Assessing lake-wide distribution and abundance of pelagic prey species over time facilitates evaluation of large-scale drivers of fish production while also considering food-web dynamics at a smaller sub-basin scale. Information from this survey will support decision making within an ecosystem-based fishery management framework. In support of binational Great Lakes fishery management, the objectives of this survey are to provide density estimates of key pelagic prey species across Lake Erie, to assess spatial distributions of fishes, and annual fluctuations in abundance. A stratified-random sampling approach including 24 strata was carried out during July (Summer), starting in 2022. This data release adds 2023 data to the set for a total of 2 years using the standardized survey design and data processing workflow.