Last edited by Akishakar
Monday, October 12, 2020 | History

2 edition of Abundance, composition, and emigration of Arctic grayling in the Goodpaster River, 1995-1997 found in the catalog.

Abundance, composition, and emigration of Arctic grayling in the Goodpaster River, 1995-1997

William P. Ridder

Abundance, composition, and emigration of Arctic grayling in the Goodpaster River, 1995-1997

by William P. Ridder

  • 366 Want to read
  • 25 Currently reading

Published by Alaska Dept. of Fish and Game, Division of Sport Fish in Anchorage, Alaska .
Written in English

    Subjects:
  • Arctic grayling -- Alaska -- Goodpaster River.

  • About the Edition

    Mark-recapture experiments were conducted in the Goodpaster River over a six day period soon after ice-out in early May of 1995 1997 to estimate abundance, composition, and post-spawning emigration of Arctic grayling, Thymallus arcticus. Study area encompassed the lower 70 miles in 1995 and the lower 33 miles in 1996 and 1997. Over the three years, 8,025 Arctic grayling were captured. Estimated abundance of Arctic grayling 230 mm FL in 1995 was 23,194 fish (SE = 3,257) in the 70 mile reach and 13,445 fish (SE = 1,445) in the 33 mile reach. Estimated abundance in 1996 was 25,364 fish (SE = 3,093) 150 mm FL and 12,893 fish 230 mm FL (SE = 1,839) in 1997. In all years, quality-sized and larger fish (270 mm FL) predominated as did the 1990 year class. Age 6 and older fish comprised the majority of yearly age compositions. Relative contribution rates based on tag recoveries of these fish the following July in the Delta Clearwater River ranged from 22% (SE 5%) to 34% (SE 6%) in three length groups over the three years of estimates.

    Edition Notes

    Other titlesFederal aid in sport fish restoration (Alaska)
    Statementby William P. Ridder.
    SeriesFishery data series -- no. 98-36.
    ContributionsAlaska. Division of Sport Fish.
    The Physical Object
    Paginationiii, 64 p. :
    Number of Pages64
    ID Numbers
    Open LibraryOL15534762M

    - Free ebook download as Text File .txt), PDF File .pdf) or read book online for free. Pullman, Wash.: Arctic Research Section, Laboratory of Anthropology, Washington State University. Akiak (Alaska) -- Biography. (2) Laraux, Sis. Our side of the river: a biography of growing up and living in Alaska on our side of the Kuskokwim River in the village of Old Akiak (1st) [Book; Internet Resource Date of Entry: ].

    We conducted surveys to estimate population size during late June , , , , and During these surveys we located caribou by visually searching the herd’s summer range and by locating radiocollared caribou. We used 1–2 search aircraft (Piper Super Cub and a Bellanca Scout) with a pilot and 1 observer in each. Figure Catch composition by % numbers and % biomass of fish caught by electric fishing in the margins of Island Mere, Minsmere, in two months during The abundance of rudd and roach in the margins of Island Mere varied between spring and summer (Fig. ). In April rudd and roach in spawning condition were found.

    BOX The Mekong River and Tonle Sap Great Lake: A Biological Hotspot. The Mekong River is 4, km long, the tenth-longest river in the world. More than 60 million people live in its basin, where they. have long exploited a fishery that yields almost 2 million tons annually, worth about $ billion. The Mekong is second only to. The Mekong River and Tonle Sap Great Lake: A Biological Hotspot The Mekong River is 4, km long, the tenth-longest river in the world. More than 60 million people live in its basin, where they have long exploited a fishery that yields almost 2 million tons annually, worth about $ billion.


Share this book
You might also like
How to prepare and run a simple t[actical] e[xercise] w[ithout] t[roops].

How to prepare and run a simple t[actical] e[xercise] w[ithout] t[roops].

Workforce and succession planning report

Workforce and succession planning report

Dreaming

Dreaming

Passive restraint rule

Passive restraint rule

Good News Australia

Good News Australia

The defence of the Empire

The defence of the Empire

Children of the stone lions.

Children of the stone lions.

Ordovician system in the Near and Middle East

Ordovician system in the Near and Middle East

The essential Hamilton

The essential Hamilton

Alfred W. Mathews.

Alfred W. Mathews.

Barbed Wire & Rice

Barbed Wire & Rice

Godes peace and the queeenes

Godes peace and the queeenes

The Irish navy--a full life?

The Irish navy--a full life?

Scholarships and funding for study and research in Germany

Scholarships and funding for study and research in Germany

Foodaholic

Foodaholic

The castle of indolence

The castle of indolence

Abundance, composition, and emigration of Arctic grayling in the Goodpaster River, 1995-1997 by William P. Ridder Download PDF EPUB FB2

ABSTRACT The abundance, size and age composition of Arctic grayling in the lower 23 km of the Delta Clearwater River was estimated using a two-sample mark-recapture experiment. A stock assessment of the Goodpaster River Arctic grayling fishery was completed during using mark- recapture experiments.

Objectives of the study were to estimate abundance and length and. estimate the abundance of Arctic grayling and mm FL in the Delta River study area (17 km) during Julysuch that the estimates were within 25% of the actual abundance 95% of the.

The abundance and length composition of Arctic grayling Thymallus arcticus in a km study area (sampling Areas A, B, and C) of the Upper Goodpaster 1995-1997 book (GPR) was estimated as part of a. 28 Figure Rainbow trout (> 6") estimates in the Pine Butte section of the Madison River,faU estimates.

e - - 1 Figure Consequently, Arctic ecosystems are unstable in terms of species composition and abundance, but nevertheless have shown substantial resilience to natural variability in the Holocene, largely because of the wide distributions and mobility of their constituent organisms.

Maruia River, New Zealand, (courtesy of Barry Clark). Figure For Atholl, one of the great pleasures of life is unwinding by the camp fire at the end of a days tramping. Taken at Downies hut, Matakitaki River, Nelson Lakes National Park, (courtesy of Barry Clark).

terra australis 29 12 Islands of Inquiry / Foss Leach. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker.

Audio. An illustration of a " floppy disk. Software. An illustration of two photographs. Images. An illustration of a heart shape Donate.

An illustration of text ellipses. C2 Podcast: Commerce meets creativity Ahlak Allahova Poslanika sallalahu alejhi ve sellem Le Laboratoire Philosophique Chillin with Major Podcast End Chronic Pain Now Mr. Ho's AP Language and Composition Objetivo Brasil.

Ervin Bossanyi - Vision, Art and Exile, Sarah Brown, Jo Bossanyi X Code of Federal Regulations, Ti Labor, PT.Revised as of July 1,Office of the Federal Register Working with Student Teachers - Getting and Giving the Best, Michael A.

Morehead, Lawrence Lyman, Harvey C. Foyle. Distribution and abundance of fish in the main river and in backwater sites of the Vltava below Prague, Czech Republic is strongly influenced by water quality (Slavík & Bartos).

In summer, diel fluctuations in water quality were important in stimulating diel migrations of fishes, mostly cyprinids, between the main river and backwaters.

We compared abundance of migrating Willow Flycatchers and Wilson's Warblers to the abundance of arthropods in exotic and native vegetation at Bosque del Apache National Wildlife Refuge.

We trapped arthropods using glue-boards in and in the same cottonwood, saltcedar, and willow habitats where we mist-netted birds during spring and. Hooded warbler in North Dakota. USGS Publications Warehouse. Hotchkiss, N. he warbler migration at Kenmare, Ward County, North Dakota, was rich in species (seventeen) for a locality so far west on the Great Plains.

On June 1, near the end of the northward flight, I found a male Hooded Warbler singing in shrubby undergrowth on a wooded coulee slope on the Des Lacs National. Environment Agency Grey Literature Collection 'Sea Vigil' water quality monitoring: Lincolnshire coast report 'Sea Vigil' water quality monitoring: the East Anglian coast 1.

Get cbd in tuktoyaktuk for find marijuana: fort mcpherson. Regulates, licenses, customs revenue, lost service would fall of settlers would be a number of lake between those who saw from those with bill c certainly be reviewed and thrive in the Cannabis Deline Northwest Territories Canada management unit.

Hash enterprise northwest territories canada cbg etc. Listen, the temperance act. The species has been included in the Red Data Book of the Russian Federation (Nikitsky,), USSR (Lopatin, ) and in some regional Red Data Books, e.g.

of Bashkirsky ASSR (Boev et al. Ridder, William P. Abundance, composition, and emigration of Arctic grayling of the Goodpaster River, Anchorage: Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services, []. Series: Fishery data series ; no.

SHA6 D2 no Relating Kirtland's warbler population to changing landscape composition and structure. Treesearch. John R. Probst; Jerry Weinrich. The population of male Kirtland's warbler (Dendroica kirtlandil) in the breeding season has averaged from to The Kirtland's warbler occupies dense jack pine (Pinus banksiana) barrens from 5 to 23 years old and from to m high.

Resident fishes (e.g., rainbow trout, Dolly Varden, Arctic grayling) and juvenile salmon of species that rear for extended periods in streams (i.e., coho and Chinook) derive clear and substantial nutritional benefits through the consumption of salmon eggs and flesh and other food sources related to spawning salmon (Bilby et al.

Documents. [] Jenkins - Ecologies of Grace().A comparison of longitudinal patterns in hyporheic and benthic oligochaete assemblages in a glacial river. Arctic, Antarctic, and Alpine Research 33(4): Stewart, T.W.; Shumaker, T.L.; Radzio, T.A. Linear and Nonlinear Effects of Habitat Structure on Composition and Abundance in the Macroinvertebrate Community of a Large River.The IUCN Red Data Book program became increasingly comprehensive in the s and sought to include all higher vertebrates and representative groups of fishes, invertebrates, and plants.

Categories were developed to subdivide extinction risk that reflected the degree of threat and uncertainty and included, for example, endangered, vulnerable.