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• 1. [Article] Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival, 1969/1970

  "This report covers studies conducted on Dungeness crab larvae from July 1, 1969, through June 19, 1970. Principal objectives were to determine the following: (1) the effects of crab larval concentration ...

  Citation × Citation Citation Abstract Copy Title: Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival, 1969/1970 Author: Gaumer, Thomas F., Oregon. Fish Commission "This report covers studies conducted on Dungeness crab larvae from July 1, 1969, through June 19, 1970. Principal objectives were to determine the following: (1) the effects of crab larval concentration on growth and survival; (2) the effects of light intensity on the swimming behavior of crab larvae; (3) the effects of water current on the swimming behavior of crab larvae; and (4) the preference of post larvae crab for different bottom types." (Introduction) Title: Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival, 1969/1970 Author: Gaumer, Thomas F., Oregon. Fish Commission "This report covers studies conducted on Dungeness crab larvae from July 1, 1969, through June 19, 1970. Principal objectives were to determine the following: (1) the effects of crab larval concentration on growth and survival; (2) the effects of light intensity on the swimming behavior of crab larvae; (3) the effects of water current on the swimming behavior of crab larvae; and (4) the preference of post larvae crab for different bottom types." (Introduction) Close

• 2. [Article] Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival,1968/1969

  "Objectives during the July 1, 1968, to June 30. 1969, project period were to determine the following: 1. The effects of diet concentration on survival and growth. 2. The effects of crab larval concentration ...

  Citation × Citation Citation Abstract Copy Title: Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival,1968/1969 Author: Gaumer, Thomas F., Oregon. Fish Commission "Objectives during the July 1, 1968, to June 30. 1969, project period were to determine the following: 1. The effects of diet concentration on survival and growth. 2. The effects of crab larval concentration on survival. 3. The effects of diet concentration on cannibalism. 4. The effects of light intensity on the swimming behavior of crab larvae. 5. The effects of water current on the swimming behavior of crab larvae." (from the Introduction) Includes graphs, charts, b/w photographs of equipment. Title: Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival,1968/1969 Author: Gaumer, Thomas F., Oregon. Fish Commission "Objectives during the July 1, 1968, to June 30. 1969, project period were to determine the following: 1. The effects of diet concentration on survival and growth. 2. The effects of crab larval concentration on survival. 3. The effects of diet concentration on cannibalism. 4. The effects of light intensity on the swimming behavior of crab larvae. 5. The effects of water current on the swimming behavior of crab larvae." (from the Introduction) Includes graphs, charts, b/w photographs of equipment. Close

• 3. [Article] Clam-Abalone Stock Supplementation Feasibility Study annual report

  "The objectives of this study were to locate suitable intertidal and subtidal clam planting sites and to determine the feasibility of planting laboratory spawned clams. Criteria used to determine the suitability ...

  Citation × Citation Citation Abstract Copy Title: Clam-Abalone Stock Supplementation Feasibility Study annual report Author: Gaumer, Thomas F., United States. National Marine Fisheries Service, Oregon. Fish Commission, Lukas, Gerald "The objectives of this study were to locate suitable intertidal and subtidal clam planting sites and to determine the feasibility of planting laboratory spawned clams. Criteria used to determine the suitability of potential clam planting sites included: an evaluation of species of clams indigenous to the survey area and the type of substrate and vegetation within the survey area." (from the Introduction) Also reports on attempts to induce native abalone to spawn. Maps show vegetation beds, clam beds and substrate types. Title: Clam-Abalone Stock Supplementation Feasibility Study annual report Author: Gaumer, Thomas F., United States. National Marine Fisheries Service, Oregon. Fish Commission, Lukas, Gerald "The objectives of this study were to locate suitable intertidal and subtidal clam planting sites and to determine the feasibility of planting laboratory spawned clams. Criteria used to determine the suitability of potential clam planting sites included: an evaluation of species of clams indigenous to the survey area and the type of substrate and vegetation within the survey area." (from the Introduction) Also reports on attempts to induce native abalone to spawn. Maps show vegetation beds, clam beds and substrate types. Close

• 4. [Article] Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival : completion report, November 16, 1965 to June 30, 1971

  Closing report, November 16, 1965 to June 30, 1971.

  Citation × Citation Citation Abstract Copy Title: Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival : completion report, November 16, 1965 to June 30, 1971 Author: Gaumer, Thomas F., Oregon. Fish Commission Closing report, November 16, 1965 to June 30, 1971. Title: Controlled rearing of dungeness crab larvae and the influence of environmental conditions on their survival : completion report, November 16, 1965 to June 30, 1971 Author: Gaumer, Thomas F., Oregon. Fish Commission Closing report, November 16, 1965 to June 30, 1971. Close