The purpose of this investigation was to determine if pinniped feeding patterns have significant negative impacts on depressed salmonid stocks. Knowledge about prey selection by pinnipeds is key to assessing their potential impact on salmonid stocks. The four major work elements reported are: 1) the reanalysis of Columbia River area...
The primary objective of the Shrimp Resource Assessment is to provide scientific information and alternative resource use strategies for the management of the regional pink shrimp fishery resource. To accomplish this objective, five specific annual tasks were developed: 1) Collect and code shrimp fishery logbook data, match logbook information to...
During April 1979 the Oregon Department of Fish and Wildlife participated in a survey of Pacific ocean perch (Sebastes alutus) in cooperation with the National Marine Fisheries Service and Washington Department of Fisheries. The survey occurred off the coasts of Oregon and Washington from Newport, Oregon to Cape Flattery. Planning...
This white paper outlines interim guidance for development of Oregon Department of Fish and Wildlife habitat mitigation recommendations associated with renewable energy development and associated infrastructure or other landscape scale industrial-commercial developments in greater sage-grouse habitat in Oregon. This guidance is interim until empirical data are available that quantify the...
Greater sage-grouse (Centrocercus urophasianus) were once found in most grassland and sagebrush (Artemisia spp.) habitats east of the Cascades in Oregon. European settlement and conversion of sagebrush steppe into agricultural production led to extirpation of the species in the Columbia Basin by the early part of the 1900s, but sagebrush...
During the 2016 greater sage-grouse breeding season, 1,908 aerial and ground lek surveys were conducted at 768 individual lek sites comprising 501 lek complexes. Surveys were conducted at 66.0% of known lek sites in the state, which was the greatest proportion of leks ever surveyed in Oregon. Survey effort during...
During the 2017 greater sage-grouse (Centrocercus urophasianus) breeding season, 1,580 aerial and ground lek surveys were conducted at 674 individual lek sites comprising 429 lek complexes. Surveys were conducted at 58.0% of known lek sites in the state. Survey effort during 2017 declined -17.1%, -12.2%, and 14.5% from 2016 levels,...
This report is one of a series prepared by the Oregon Department of Fish
and Wildlife (ODFW) which summarizes the physical and biological data for
selected Oregon estuaries. The reports are intended to assist coastal planners
and resource managers in Oregon in fulfilling the inventory and comprehensive
plan requirements of...
Report of the Oregon Fish and Game Commission’s transactions and operations for July 1, 1978-June 30, 1980. This report summarizes fish and game resources for the biennium, as well as research conducted and an outline of activities to educate the public on operations. It contains information on game such as...
Report of the Oregon Fish and Game Commission’s transactions and operations for July 1, 1976-June 30, 1978. This report summarizes fish and game resources for the biennium, as well as research conducted and an outline of activities to educate the public on operations. The report contains information on game such...
Report of the Oregon Fish and Game Commission’s transactions and operations for July 1, 1980-June 30, 1982. This report summarizes fish and game resources for the biennium, as well as research conducted and an outline of activities to educate the public on operations. It contains information on game such as...
July 1, 1974-June 30, 1976. The first biennial report following the merging of the Wildlife Commission and the Fish Commission. This report summarizes fish and game resources for the biennium, as well as research conducted and an outline of activities to educate the public on operations. It still contains information...
This document is a summary of the activities of the Wildlife Division for the period of July 1, 1979 to June 30, 1980. It includes numbers of hunting licenses, increased prices of furs, large and small game statistics for animals such as elk, deer, bears, pheasants, and quail. The document...
This document covers the massive decline in catch and return on trout stocked in Diamond Lake starting in the 90s and describes issues addressing the most likely cause, an increased Tui chub population competing for resources with the trout. The report discusses the persistent issue of Tui chub in Diamond...
This document contains a discussion by the biological staff of the proposed regulations for the July 13 Fish Commission hearing, and examines potential effects of allowing the use of Razor Clams as crab bait.
This document is a summary of the activities of the Wildlife Division for the period of July 1, 1977 to June 30, 1978. It includes numbers of hunting licenses, increased prices of furs, and both large and small game statistics including elk, bears, pheasants, and quail. The document also discusses...
This report gives information on the Coos River shad fishery, going into detail about recent (for 1957) trends in shad fishing such as licenses issued, total fish caught per location, and length frequency.
This report discusses the harvest of intertidal non-food invertebrates in 1974, gives the number of collection permits issued, and describes intensity of collection by area.
This report discusses the harvest of intertidal non-food invertebrates in 1973, giving number of collecting permits issued and intensity of collecting by area.
In 1976, the Oregon Department of Fish and Wildlife Commission approved regulation changes for the sport harvest of bay clams. The changes were made at the request of the shellfish staff; our concern was the gradual deterioration in the status of the stocks as reflected in annual census work on...
The sand sole (Psettichthys melanostictus) is one of the finest quality sole species harvested by Oregon trawlers. It commands a correspondingly high price in the market, second only to petrale sole. The sand sole gets its name for its known affinity for sandy, shallow stretches of the ocean floor. A...
The OFC staff had been investigating razor clam stocks in Oregon since 1949, and this report outlines their findings up to 1964. It gives the number of razor clams harvested as well as the number of diggers, and the age composition of those clams harvested. Finally, it discusses the increase...
This study was performed in response to doubts about the reliability of the database in place at ODFW. It consisted of surveys to verify if Chinook salmon were using the habitats previously identified and looks for discrepancies between summer habitat inventory and fall Chinook spawners. A large portion of the...
This investigation is focused on smallmouth bass in the Umpqua River system. This investigation contains methods of fish sampling used and, later, describes which methods were more effective for specific tasks. It includes population size, density/structure, mortality rates, and age/growth data regarding the smallmouth bass. See also: Umpqua River smallmouth...
The Basin Investigation Section, Oregon State Game Commission (now a part of the Environmental Management Section, Oregon Department of Fish and Wildlife) studied the John Day Basin to provide the State Water Resources Board with fish life water requirement data. Field studies were conducted during 1966, 1967, and 1970. Principal...
A study was undertaken in winter 1977-78 to obtain data on the
spawning stock of Pacific herring, Clupea harengua pallasi,utilizing the
Coos Bay estuary. This study centered on two objectives; (1) to record
the distribution and time of herring spawn and (2) estimate the fish
biomass spawning in Coos Bay....
Groundfish surveys off the Washington coast were conducted in September of 1975 and 1976 between Cape Flattery and the Columbia River. The primary purposes of the surveys were to obtain estimates of biomass and further our knowledge on population parameters of important groundfish species, especially flatfish, occupying the continental shelf...
This three page report details a shark attack on a surfer that tooks place on November 27, 1979 off Cannon Beach, Oregon. The bite marks on the surfboard are detailed including x-rays showing the teeth marks.
The Marine Resource Program of the Oregon Department of Fish and Wildlife is headquartered in a building at the Hatfield Marine Science Center. Built in 1970 for 30 personnel, it now houses 52. By the end of 2007 the MRP will need space for 82. The purpose of this report...
Our study area includes the three McKenzie populations, and a reintroduced population in the Middle Fork Willamette and tributaries above Hills Creek Reservoir. We monitored bull trout populations in the McKenzie and Middle Fork Willamette basins using a combination of sampling techniques that include spawning surveys, juvenile trapping, electronic fish...
Prior to 1978, Dolly Varden Salvelinus malma were classified into an anadromous and interior form. Cavender (1978) classified the interior form as a distinct species, Salvelinus confluentus, the bull trout. Bull trout are large char weighing up to 18 kg and growing to over one meter in length (Goetz 1989)....
“October 1, 1977 to September 30, 1978.” “Annual and Completion Report.” (front cover) "The Troll Salmon Investigation is responsible for obtaining fishery and biological data, analyzing these data, and recommending appropriate management options for the troll fishery. Proposed management options are designed to achieve the optimum use of the salmon...
The Troll Salmon Investigation is responsible for obtaining fishery and biological data, analyzing these data, and recommending appropriate management options for the troll fishery. Proposed management options are designed to achieve the optimum use of the salmon resource on a sustained basis. Activities pursued during FY 1977 included the sampling...
"As the human population has grown, the recreational and commercial use in our estuaries has increased as well. Many people have more leisure time while others facing economic pressures have turned to natural resources to supplement their food needs and/or income. The increased demand has resulted in conflicts of philosophy...
This project has provided the ODFW Marine Habitat Project with a unique
opportunity to make a comparative examination of the habitats and fish communities of a
heavily fished reef off of Siletz Bay, and a nearly unfished reef off Cape Perpetua. There
are over 17,000 angler trips for groundfish out...
This is a report on the feasibility of using heated effluent for the culture of oysters containing detailed studies on the effects of increased temperatures on oyster growth.
Where there’s a law, there is probably someone trying to evade that law. In this document, ODFW personnel working with the Oregon Commission on Fish and Wildlife attempted to tweak crabbing regulations to prevent unfair exploitation of a limited resource. This document addresses the need to sort and discard undersized...
In 1991, the State of Oregon experimented with allowing the recreational harvest of female Dungeness crabs. This experiment was unsuccessful, due to confusion about areas appropriate for catching crabs and probable overharvesting. Documents given here show the initial ODFW request to amend the regulation made to the Oregon Fish and...
This is an exhibit made by Oregon Dept. of Fish and Wildlife staff for the October 16, 1991 meeting of the Oregon Fish and Wildlife Commission. “In 1990, the Commission received a petition which called for prohibition of commercial crabbing within 1 1/2 miles of the mouth of Alsea Bay....
This report presents information on clam distribution in Oregon estuaries. It includes clam population estimates for parts of Yaquina, Tillamook and Coos bays. Gives data from a clam aging study. Permits were issued for commercial clam harvesting in Yaquina and Coos bays. Reports on plantings of clams in Netarts and...
This is a presentation made by the Oregon Dept. of Fish and Wildlife before a meeting of the Oregon Fish and Wildlife Commission. It advocates closing sport harvests of abalone, citing a "conservation crisis." ""We have reason to suspect that abalone are being taken from Oregon waters under the guise...
This is an exhibit made by the Oregon Dept. of Fish and Wildlife to the Oregon Fish and Wildlife Commission. As the limited entry system for commercial crabbing began to be implemented, issues needed to be resolved around license requirements, permit eligibility, permit transfers and status of boats under construction....
This is an exhibit made by the Oregon Department of Fish and Wildlife before a meeting of the Oregon Fish and Wildlife Commission. It concerns the need for a uniform system of identifying crab pot buoys to help law enforcement.
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission on October 20, 1993. It is intended to establish rules "1) governing open and closed fishing areas in the event softshell crab results in a delayed season for ocean Dungeness...
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission on October 19, 1994. Topics covered include a summary of the 1993/1994 crab fishery, analysis of the use of long-line gear in crab fisheries, and standards for biodegradable twine on...
PowerPoint slides and documents from a meeting between the Oregon Dungeness Crab Commission, the Oregon Dept. of Fish and Wildlife and crab fishers at the Best Western, Agate Beach Inn on July 28-29, 2009. Topics covered included pot limits, derelict gear, vessel safety, crab logbooks, the Washington State buyback program,...
This annual report of Developmental Fisheries activities examines issues related to permits and to the commercial bay clam, box crab, squid, swordfish and brine shrimp fisheries. Recommended changes to the Oregon Administrative Rules are given.
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission at a December, 2001 meeting. The report discusses permit transfers, management of the gaper clam fishery, and gives a draft interim management plan for Oregon's nearshore fisheries.
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission on June 7, 2002. The main topic was a proposed requirement to dye clams and mussels taken for fish bait rather than for human consumption. "On several reviews of Oregon's...
This annual report of Developmental Fisheries activities reviews the commercial brine shrimp and prawn fisheries and recommends changes to the Oregon Administrative Rules. Appendices include a cruise report from April, 1997 and a report, “Size at maturity in box crabs, Lopholithodes foraminatus, from Oregon.”
This report includes the annual report of Developmental Fisheries activities, discussion of the commercial brine shrimp, tanner crab and razor clam fisheries, and relevant Oregon Administrative Rules. It contains an appendix, “Synopsis of information on brine shrimp and razor clams,” and an addendum includes reviews of the deadline for new...
PowerPoint slides and documents from a meeting between the Oregon Dungeness Crab Commission, the Oregon Dept. of Fish and Wildlife and crab fishers at the Curry County Fairgrounds on July 30-31, 1997. Topics covered included buoy tags, logbooks, law enforcement, pot limits, the Washington State buyback program, derelict gear and...
"The sport/commercial interaction concerning Dungeness crab in our estuaries is heating up again. The shellfish staff has discussed this at length and agrees.that the interaction is an indication that our bay crab regulations need to be reviewed. There are currently two issues that need to be resolved: 1) The sport/commercial...
This is an exhibit prepared by the Oregon Department of Fish and Wildlife for an August 23, 1995 meeting of the Oregon Fish and Wildlife Commission. The document "is a briefing on commercial crab fishery issues including the creation of a new ocean Dungeness crab fishery limited entry program by...
This document outlines a 5-year plan to study clam fisheries in Oregon. "We have identified four areas of research and education that require attention. These are: 1) Development of a fishery for the Manila clam Tapes japonica. 2) Study the effects of clamming and management practices on clam populations. 3)...
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission. "Problem: While scallop fishing success has declined, a number of fishermen anticipate fishing for scallops this winter. Scallop grounds north of the Umpqua River run through traditional crab fishing areas....
This is an exhibit made by the Oregon Department of Fish and Wildlife before a meeting of the Oregon Fish and Wildlife Commission on October 19, 1994. It establishes rules to implement the Developmental Fisheries Program, and to govern harvests of covered species. Relevant Oregon Administrative Rules are given. Appendix...
This is an Oregon Dept. of Fish and Wildlife internal discussion paper about a proposal to create a new clam bed in front of the Hatfield Marine Science Center, and to explore releasing Manila clams or native clam species seed stock in order to enhance recreational clamming in Oregon.
"A recent change in fishing effort in the summer part of the crab season has resulted in increased sorting and landing of unfilled crab and much unrest in the industry. Department staff believes the handling is excessive and that modification of the season structure should be considered by the Commission."...
This document is an exhibit prepared by the Oregon Dept. of Fish and Wildlife for a meeting of the Oregon Fish and Wildlife Commission. Topics covered include permit rules for vessels setting crab gear, coordinating season openings with California, new crab permit applications and the summer crab fishery. It includes...
This is an Oregon Dept. of Fish and Wildlife exhibit for a meeting of the Oregon State Fish and Wildlife Commission. "Problem: Oregon crab fishermen are concerned that 4-3/8" escape ports in crab pots allow too many legal male crabs to escape. Requests have been made to determine whether or...
This is an Oregon Dept. of Fish and Wildlife exhibit made before the October 7, 2005 meeting of the Oregon Fish and Wildlife Commission. The exhibit contains a briefing on the status of management of the crab fishery, and a proposal for a limited-entry Dungeness crab fishery from 3 to...
This publication is an exhibit prepared by the Oregon Dept. of Fish and Wildlife for the Oregon State Fish and Wildlife Commission in response to a request to extend the commercial fishing season for Dungeness crabs.
"Problem: Conflicts between estuary recreational and commercial crab fishermen over fishing space and crab have increased in recent years. Some recreational crabbers have stated that commercial crabbing in estuaries should be banned." (p. 1) This is an Oregon Dept. of Fish and Wildlife exhibit for a meeting of the Oregon...
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission at a December, 1996 meeting. "During their meeting on November 1, 1996, the Fish and Wildlife Commission delayed making a decision on two recommendations by the Developmental Fisheries Board. The...
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission for an October 11, 2002 meeting. Topics covered include: adopting rules for denying program permits; the season for the commercial flat abalone fishery; methods of harvesting spot prawns and calculating...
This document addresses the management of Oregon's bay clam resources in the early 1980s. It gives a brief description of the fisheries, outlines agency goals and objectives, and lists known problems with preferred solutions.
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission. This exhibit reviews the Developmental Fisheries Program and considers a petition to reduce commercial subtidal clamming in Tillamook Bay.
This is an Oregon Dept. of Fish and Wildlife exhibit made to the Oregon Fish and Game Commission. ODFW was trying to answer the question of what to do with the old Oregon Aqua-Foods facility in Yaquina Bay by converting it to a public salmon hatchery and a private abalone...
This is an exhibit prepared by the Oregon Department of Fish and Wildlife for the Oregon Fish and Wildlife Commission. Prior to November, 2005, ODFW managed a developmental fishery program for commercial harvest of bay clams by scuba divers. This document recommends removing bay clams from the developmental fisheries species...
"Completion report : July 1, 1973 to June 30, 1976." "Clam surveys have been conducted in Oregon's estuaries since 1973. During this project period primary objectives were (1) to locate suitable intertidal and subtidal clam planting sites and to determine the feasibility of planting laboratory spawned clams; (2) to determine...
This is an exhibit made by the Oregon Department of Fish and Wildlife to the Oregon Fish and Wildlife Commission for the November 17, 2000 meeting. Topics covered include: proposals to add Daphnia (Daphnia spp., a small crustacean in the Klamath Lake area) and flat abalone (Haliotis walallensis) to the...
This is an Oregon Department of Fish and Wildlife exhibit made before the April 26, 1995 meeting of the Oregon Fish and Wildlife Commission. The exhibit concerns the need for some disabled Oregonians to have assistance digging clams. At the time, it was illegal for one individual to help another...
This is an exhibit made by the Oregon Department of Fish and Wildlife for a rule-making hearing held by the Oregon Fish and Wildlife Commission on October 21, 1992. The hearing concerned rules regulating the commercial Dungeness crab fishery including measures to adjust timing of the season, close crabbing areas...
This is an Oregon Department of Fish and Wildlife exhibit made before the December 5, 1990 meeting of the Oregon Fish and Wildlife Commission. The exhibit contains a briefing on a citizen’s petition to prohibit commercial crabbing at the mouth of Alsea Bay. The exhibit includes the petition, a Waldport...