Recent Additions

The action agency for this consultation is SWFSC. This consultation is on the incidental take associated with reserach surveys and does not include any directed take of protected species.

This study was performed to examine and compare different methods to restore anadromous fish species to the Patapsco River through: 1, evaluation of two fish ladders, and 2, use of cultured fish. Based upon the results of this study, we report our recommendations for approaches to restoration.

Hypoxia in the Chesapeake Bay has increased during the past century, coincident with the disappearance of Atlantic sturgeon spawning stocks. We hypothesized that habitats which satisfy both temperature and dissolved oxygen requirements of Atlantic sturgeon young-of-the-year may be limiting during summer months.

This report describes the 1994 Atlantic sturgeon tag and recapture program conducted in the lower Delaware River by the Delaware Division of Fish and Wildlife. The program was funded through an anadromous species program grant administered by the National Marine Fisheries Service and the State of Delaware. This report covers the 1994 sampling seaso ...

During this reporting period, a total of 857 river herring, approximately 3-1/2 times last years run, were recorded entering Lower Shawme Lake of Sandwich, MA. No juvenile were observed exiting the lower Lake area. Schools of juvenile alosids were observed approximately 2.4 kilometers downstream, however. Stocking and assessment efforts will contin ...

Objectives: 1. Estimate fishing effort, landings and catch-per-unit of effort (CPUE) of adult river herring (alewife and blueback herring) in Virginia in spring 1994. 2. Determine the present status of the stocks relative to former years by comparison of landings and CPUE. 3. Estimate current biological statistics (age and size frequencies, and spe ...

An important aspect of the restoration of Atlantic salmon ( Sa/mo sa/ar) to the Connecticut River involves the production of smolts through fry stocking. Because little is know about smolt production from fry stocking, including numbers produced and cross-tributary variation, a three-year study of fry stocked smolt production in Vermont tributaries ...

During the 1995 Hudson River young-of-the-year (YOY) striped bass survey 7 ,457 YOY were caught in 221 seine hauls.

This study was performed to document: 1) the species presently using the denil fishway at Bloede Dam and their relative abundance and frequency of use; 2) the species assemblages present in the area immediately downstream from the fishladder and 1.5 miles upstream at the next blockage at Simkins Dam; 3) the utilization of this new fishway by pre-sp ...

During this reporting period, a total of 857 river herring, approximately 3-1/2 times last years run, were recorded entering Lower Shawme Lake of Sandwich, MA. No juvenile were observed exiting the lower Lake area. Schools of juvenile alosids were observed approximately 2.4 kilometers downstream, however. Stocking and assessment efforts will contin ...

Objectives: 1. Estimate fishing effort, landings, and catch-per-unit-of-effort (CPUE) of adult river herring (alewife and blueback herring) and American shad in Virginia during the 1993 fisheries. 2. Determine the present status of the stocks relative to former years by comparison of landings and CPUE. 3. Estimate current biological statistics (age ...

Recruitments of striped bass (Morone saxatilis) in the Nanticoke River, Maryland, had failed for a 20-yr period, leading to postulations that the river was dysfunctional with respect to its ability to produce young striped bass. We investigated the early-life dynamics of striped bass eggs and larvae in the Nanticoke during the 1992 and 1993 spawnin ...

This report concludes the final year of a three-year segment and contains information on studies conducted in Connecticut waters on American shad and sturgeon from April 1, 1995 to March 31, 1996.

Relationships between striped bass recruitment and egg production, larval growth rate, survival rate and environmental conditions which larvae encountered were investigated in the Nanticoke River in 1992 via ichthyoplankton surveys of the wild population combined with larval mark-recapture experiments.

New regulations for the management of Atlantic sturgeon (Acipenser oxyrhynchus oxyrhvnchus) were implemented by the State of New Jersey. A conservation equivalent harvest reduction plan was approved by the Atlantic States Marine Fisheries Commission (ASMFC) Policy Board in compliance with the A~lantic Sturgeon Fishery Management Plan (FMP). Data wa ...

The catch-and-release fishery dominates for most species in the river according to the first comprehensive study on recreational angling on the Delaware River. Between mid-March and October last year, the Delaware River saw an estimated 120,042 trips by anglers. The catch consisted of 35,281 American shad and 36,328 striped bass, of which 6,627 and ...

Objectives: 1) Assess inter-annual variability in baseline geochemical signals in otoliths of juvenile American shad captured on the Pamunkey and Mattaponi rivers. 2) Determine natal tributary origin of adult American shad taken in the York River using geochemical analysis of otolith cores.