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Movement Of The Giant Red Sea Cucumber Parastichopus Californicus In Southeastern Alaska, Kristin Cieciel
Movement Of The Giant Red Sea Cucumber Parastichopus Californicus In Southeastern Alaska, Kristin Cieciel
Fisheries
This thesis provides information on sea cucumber movement that could inform management of the growing fishery for the sea cucumber, Parastichopus californicus, in Southeast Alaska. Daily movement of individual P. californicus was quantified at six sites to assess spatial variation in movement, at three-month intervals over one year at one site to assess seasonal changes in movement, and densities were measured monthly at three depths over one year. Movements varied among seasons and sites ranging from 0 to 34.5 m·24 h⁻¹, and were highest in summer (mean ± SE = 4.6 ± 0.5 m) and lowest in fall (mean ± …
Adolph Murie: Denali's Wilderness Conscience, Linda S. Franklin
Adolph Murie: Denali's Wilderness Conscience, Linda S. Franklin
Arctic and Northern Studies
Denali National Park, Alaska substantially owes its stature as Alaska's premier wilderness park to Adolph Murie. Forty years after he retired as park biologist, Murie still influences the perception and management of Denali National Park. Murie's development from childhood to esteemed scientist and wilderness advocate followed a linear progression. His rural upbringing under the tutelage of his older brother, Olaus Murie, cultivated his desire to be a biologist and his appreciation for wild places. His academic training in animal ecology solidified his belief that the management of natural areas must consider all species as essential and equally valuable. His pioneering …
The Limnology Of Lake Clark, Alaska, Alexander Xanthus Wilkens
The Limnology Of Lake Clark, Alaska, Alexander Xanthus Wilkens
Biological Sciences
This study gathered baseline limnological data to investigate the thermal structure, water quality, phytoplankton, and zooplankton of Lake Clark, Alaska. Results indicate Lake Clark is oligotrophic and mixes biannually, but stratification is weak and thermoclines are deep. Longitudinal gradients were seen in measurements of temperature, suspended solids, turbidity, light penetration, algal biomass, and zooplankton density. Wind and tributary inputs determine the thermal regime. Glacially-influenced tributaries drive turbidity and light gradients by introducing suspended solids to the inlet end of the lake. Suspended solids likely create the algal biomass gradient by limiting the light available for photosynthesis in the inlet basin. …
Spawning Habitat Characteristics Of Pacific Herring (Clupea Pallasii) In Prince William Sound, Alaska, Brandee Lynn Gerke
Spawning Habitat Characteristics Of Pacific Herring (Clupea Pallasii) In Prince William Sound, Alaska, Brandee Lynn Gerke
Fisheries
Spawning habitats of Pacific herring in Prince William Sound, Alaska were analyzed to determine the importance of habitat features including vegetation type, percent vegetative cover, substrate type, water depth, and shoreline slope in the importance of herring spawning ground selection. Sidescan sonar data were used to compare bottom habitat characteristics of herring spawning areas vs. non-spawn areas. No significant differences in vegetation or substrate type were detected between areas where herring do and do not spawn. Generalized linear models and analysis of variance models were constructed to predict the probability of herring spawn and estimate egg densities given habitat information …
Length-Based Models And Population Analyses For Northern Shrimp Pandalus Borealis Krøyer, Caihong Fu
Length-Based Models And Population Analyses For Northern Shrimp Pandalus Borealis Krøyer, Caihong Fu
Fisheries
The lack of basic knowledge on stock dynamics o f northern shrimp Pandalus borealis, a protandric hermaphrodite, has caused difficulty in regulating fishing effort on a scientific basis and in understanding potential causes behind population fluctuations and collapses. Previous length-based population models (LBMs), developed for other species, are undesirable primarily for two reasons: (1) individual cohort dynamics are masked; (2) variations in annual natural mortality (M) are ignored. This research was primarily aimed at developing a more advanced LBM that provides estimates of parameters such as recruitment (R), fishing mortality (F) and especially annual M. Simulation-estimation experiments were conducted to …
A Maritime Sense Of Place: Southeast Alaska Fishermen And Mainstream Nature Ideologies, Judith T. Brakel
A Maritime Sense Of Place: Southeast Alaska Fishermen And Mainstream Nature Ideologies, Judith T. Brakel
Anthropology
This thesis portrays Southeast Alaska fishermen's 'senses of place' on the sea, elicited through interviews. The distinctiveness of a fishing culture, and the demands and opportunities of the occupation and environment, result in a relationship to place different from the majority society. Themes discussed include being at home on the sea, the environment as a basis for occupational choice, territorial flexibility, preference for wild nature, and wild nature produces exploitatable surpluses. The variability of the environment affects patterns of learning, models of nature, and values in inter-personal interactions. Relationship to 'place' is found to be central to the culture, but …
Northern Light, Volume 17, Number 23, N/A N/A
Northern Light, Volume 17, Number 23, N/A N/A
The Northern Light
No abstract provided.
A Temporal Study Of The Phytoplankton Spring Bloom In Prince William Sound, Alaska, Alison Emmett Ward
A Temporal Study Of The Phytoplankton Spring Bloom In Prince William Sound, Alaska, Alison Emmett Ward
Fisheries
The phytoplankton bloom in southwest Prince William Sound, Alaska began in early April, declined by May and had a small recovery in June 1995 and 1996. Phytoplankton bloom was nutrient-limited in April and phytoplankton biomass was controlled by zooplankton grazing in May. The bloom consisted of 80 % microplankton; the post bloom was predominandy flagellates, followed by a small diatom recovery. A seasonal succession in the diatom community occurred from Skeletonema costatum, Thalassiosira spp. and Chaetoceros spp. in April to Rhizosolenia fragilissima in June. There was little vertical variation in species composition. More than twice as much organic carbon due …
Energetics Of Arctic Alaskan Fishes: Carbon Isotope Evidence, Paul J. Ziemann
Energetics Of Arctic Alaskan Fishes: Carbon Isotope Evidence, Paul J. Ziemann
Marine Biology
The natural abundance of carbon isotopes were used to investigate the energy requirements of arctic aquatic consumer organisms. A mathematical model was developed that describes the relationship between the rate of consumer isotope turnover rates of growth and metabolism, and the utility of the model for calculating energy requirements from seasonal changes in consumer isotopic composition was demonstrated in laboratory experiments and with field data. The energy requirements of anadromous fishes, which were the major consumers studied, could not be determined using the isotopic data. Instead, the requirements were calculated using biochemical data and rates of growth and oxygen consumption, …
Trophic Dynamics In Marine Nearshore Systems Of The Alaskan High Arctic, Kenneth H. Dunton
Trophic Dynamics In Marine Nearshore Systems Of The Alaskan High Arctic, Kenneth H. Dunton
Marine Biology
No abstract provided.
Trophic Dynamics In Marine Nearshore Systems Of The Alaskan High Arctic (Kelp, Laminaria, Carbon Isotope, Productivity), Kenneth Harlow Dunton
Trophic Dynamics In Marine Nearshore Systems Of The Alaskan High Arctic (Kelp, Laminaria, Carbon Isotope, Productivity), Kenneth Harlow Dunton
Theses (Unassigned)
This dissertation describes two ecological studies in the arctic Alaskan nearshore zone: the productivity and growth strategies of arctic kelp and the use of natural carbon isotope abundances to examine food web structure and energy flow in the marine ecosystem. Linear growth of the kelp, Laminaria solidungula is greatest in winter and early spring when nutrients are available for new tissue growth. Since over 90% of this growth occurs in complete darkness beneath a turbid ice canopy, the plant draws on stored food reserves and is in a carbon deficit during the ice covered period. Annual productivity of L. solidungula …
Technical And Research Papers On The Challenge Of Alaska Native Hire, Theodore Lane, Cheryl K. Thomas
Technical And Research Papers On The Challenge Of Alaska Native Hire, Theodore Lane, Cheryl K. Thomas
CAEPR Reports
No abstract provided.
The Northern Engineer, Vol. 16, No. 2 (Summer 1984), University Of Alaska Fairbanks. Geophysical Institute
The Northern Engineer, Vol. 16, No. 2 (Summer 1984), University Of Alaska Fairbanks. Geophysical Institute
The Northern Engineer
No abstract provided.
Approaches For Analyzing The Effects Of Wildfires On Resource Values In Alaska, Gunnar Knapp
Approaches For Analyzing The Effects Of Wildfires On Resource Values In Alaska, Gunnar Knapp
ISER Reports
No abstract provided.
University Of Alaska Magazine, Vol. 01, No. 1 (Fall 1982), University Of Alaska
University Of Alaska Magazine, Vol. 01, No. 1 (Fall 1982), University Of Alaska
University of Alaska Magazine
No abstract provided.
Annual Activities And Behavior Of A Grizzly Bear (Ursus Arctos) Family In Northern Alaska, James George Gebhard
Annual Activities And Behavior Of A Grizzly Bear (Ursus Arctos) Family In Northern Alaska, James George Gebhard
Theses (Unassigned)
No abstract provided.
Nesting Behavior And Hunting Activity Of The Gyrfalcon, Falco Rusticolus, In South Central Alaska, Peter James Bente
Nesting Behavior And Hunting Activity Of The Gyrfalcon, Falco Rusticolus, In South Central Alaska, Peter James Bente
Theses (Unassigned)
No abstract provided.
Alaska Mining And Water Quality: Proceedings Of The Symposium, N/A N/A
Alaska Mining And Water Quality: Proceedings Of The Symposium, N/A N/A
WERC Publications
Very little information on Alaska mining activities and resulting environmental changes has been available. The objectives of this research were to: 1) review the literature pertinent to water quality deterioration resulting from mining activities, and 2) conduct a symposium, "Alaska Mining and Water Quality," in Fairbanks, Alaska. Alaska Mining and Water Quality (IWR Report 74) was published in June 1976. The report covers effluent limitations and water quality standards, physical parameters, chemical/biological parameters, and effects of Alaska mining on water quality. Over 300 references are cited, and a description of settling pond theory is appended. The literature review Focused primarily …
Fish And Wildlife Protection In The Planning And Construction Of The Trans-Alaska Oil Pipeline, Thomas Morehouse, Robert Childers, Linda E. Leask
Fish And Wildlife Protection In The Planning And Construction Of The Trans-Alaska Oil Pipeline, Thomas Morehouse, Robert Childers, Linda E. Leask
ISER Reports
No abstract provided.
Nutrient Chemistry Of A Large, Deep Lake In Subarctic Alaska, J. D. Laperriere, T. Tilsworth, L. A. Casper
Nutrient Chemistry Of A Large, Deep Lake In Subarctic Alaska, J. D. Laperriere, T. Tilsworth, L. A. Casper
WERC Publications
The primary objective of this project was to assess the state of the water quality of Harding Lake, and to attempt to predict the effects of future development within its watershed. Since the major effect of degradation of water quality due to human activity is the promotion of nuisance growths of plants, the major emphasis was placed on measurements of plant growth and concentrations of the major nutrients they require. Planktonic algal growth was found to be low, below 95.6 gm/m2/year, and the growth of submerged rooted plants was found to be relatively less important at approximately 1.35 gm/m2/year. Measurements …
Fisheries Science Facility Master Plan, Chin &. Kramer
Fisheries Science Facility Master Plan, Chin &. Kramer
UAS History Documents
This report presents a Master Plan of the new Fisheries Science Facility, a building (or complex of buildings) which is proposed for construction at the Auke Lake campus, University of Alaska, Juneau. The plan was developed by Kramer, Chin & Mayo, Inc. as consultants to the University. Outlined are the proposed educational curriculum and projected student load for a new Division of Fisheries at the University. Based upon this program of instruction and projected number of students, the building was properly sized and space relationships were developed. Five sites for the new facility were examined and a recommended site was …
Effects Of Crude Oil Treated Seawater On The Metabolism Of Phytoplankton And Seaweeds, W.E. Shiels
Effects Of Crude Oil Treated Seawater On The Metabolism Of Phytoplankton And Seaweeds, W.E. Shiels
Marine Biology
Prudhoe Bay crude oil was applied to natural populations of phytoplankton from Port Valdez, Alaska to examine its effect on photosynthesis. Studies were made at various times between July 1971 and June 1972., at oil concentrations ranging from about 0.001 - 10 ppm, and under various conditions of temperature, light and exposure time. Varying degrees of photosynthetic inhibition and stimulation were observed, apparently resulting from a complex interaction of physical, chemical and biological factors and the amount of oil present. Inhibition of photosynthesis occurred at oil concentrations of 0.06 ppm or greater during June, with stimulation observed at about 0.003 …
Taxonomy And Ecology Of The Inconnu, Stenodus Leucichthys Nelma, In Alaska, Kenneth T. Alt
Taxonomy And Ecology Of The Inconnu, Stenodus Leucichthys Nelma, In Alaska, Kenneth T. Alt
Biological Papers of the University of Alaska
A taxonomic and life history study of the inconnu was carried out on populations from the Kobuk, Chatanika, and upper Yukon Rivers, and Selawik, Alaska. Data on 24 morphological measurements and 11 meristic counts show little difference among: 1) males and females; 2) young and older inconnu; and 3) fish from the upper Yukon River, Chatanika River, Selawik, and Kobuk River in Alaska and the Ob River, USSR. Based on close agreement of these counts and measurements, the inconnu in Alaska is designated as Stenodus leufifhthys nelma (Pallas). For arctic fish, the inconnu exhibits a rapid growth rate. Growth rates …
Summer News, Vol. 03, No. 03 (June 8, 1967), N/A N/A
Summer News, Vol. 03, No. 03 (June 8, 1967), N/A N/A
Summer News
No abstract provided.
Nanook News, Vol. 04, No. 10 (November 15, 1962), N/A N/A
Nanook News, Vol. 04, No. 10 (November 15, 1962), N/A N/A
Nanook News
No abstract provided.
Ogotoruk Creek Botanical Investigations Cape Thompson, Alaska, L.A. Viereck, R.E. Johnson, H.R. Melchior
Ogotoruk Creek Botanical Investigations Cape Thompson, Alaska, L.A. Viereck, R.E. Johnson, H.R. Melchior
Project Chariot
Botanical investigations of the Cape Thompson - Ogotoruk Creek region of northwest Alaska were initiated in May, 1959 by the University of Alaska under contract with the United States Atomic Energy Commission (Contract No. AT (04 -3 ) - 310). The first summer's field work was largely exploratory and descriptive in nature and included a species inventory of the vascular plants, mosses, and lichens; a qualitative description of the main vegetation types in Ogotoruk Valley; and a preliminary mapping of the vegetation types within the valley. The results of the first summer's field work and winter visits have been partially …