Lichens From Central East Greenland
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Notes On Occurrence And Distribution Of Lichens In South East Greenland
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Author : Eric Steen Hansen
language : en
Publisher:
Release Date : 1978
Notes On Occurrence And Distribution Of Lichens In South East Greenland written by Eric Steen Hansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.
Notes On Occurrence And Distribution Of Lichens In South East Greenland
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Author : Denmark. Kommissionen for videnskabelige undersøgelser i Grønland
language : en
Publisher:
Release Date : 1920
Notes On Occurrence And Distribution Of Lichens In South East Greenland written by Denmark. Kommissionen for videnskabelige undersøgelser i Grønland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1920 with categories.
Lichens From Central East Greenland
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Author :
language : en
Publisher: Museum Tusculanum Press
Release Date :
Lichens From Central East Greenland written by and has been published by Museum Tusculanum Press this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Greenland Lichens
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Author : Eric Steen Hansen
language : en
Publisher:
Release Date : 1995
Greenland Lichens written by Eric Steen Hansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Lichens categories.
American Arctic Lichens The Microlichens
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Author : John Walter Thomson
language : en
Publisher: Univ of Wisconsin Press
Release Date : 1984
American Arctic Lichens The Microlichens written by John Walter Thomson and has been published by Univ of Wisconsin Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Nature categories.
Lists a total of 965 species in 168 genera in the two volumes, describing the species including distribution maps covering Alaska, Canada, Greenland and Iceland. Includes an overview of the geology, climate, geography and ecology of the American arctic.
The Lichen Genus Physcia And Allied Genera In Greenland
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Author :
language : en
Publisher: Museum Tusculanum Press
Release Date :
The Lichen Genus Physcia And Allied Genera In Greenland written by and has been published by Museum Tusculanum Press this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Biology Of The Peregrine And Gyrfalcon In Greenland
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Author : William A. Burnham
language : en
Publisher: Museum Tusculanum Press
Release Date : 1984
Biology Of The Peregrine And Gyrfalcon In Greenland written by William A. Burnham and has been published by Museum Tusculanum Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Science categories.
A ten year study began in 1972 in West Greenland to investigate the breeding biology of the peregrine falcon. Data on nesting gyrfalcons were also collected. Thirty-four peregrine nesting sites were examined in the 6050 km2 inland study area near Søndre Strømfjord. Limited research also centered in Disko Bugt and Frederikshåb. Peregrines were found nesting predominantly on high, south-facing cliffs, which overlooked large areas. The mean minimum distance between peregrine eyries was 7.7 km for the inland area (1972 and 1973) and 55 km for the coast (1974). Approximately 60 percent of the inland nesting sites were occupied each year. A ten-year average production of 1.90 young per occupied site and 2.78 young per successful site was determined. Lapland longspurs, snow buntings, wheatears, and redpolls comprised 90 percent of the peregrines diet. Raven nests and prey availability may be the most significant factor affecting falcon density. Addled peregrine eggs, eggshell fragments, and peregrine prey species were collected. Whole eggs averaged 14.3 ppm wet weight (305 ppm lipid weight ) DDE, while eggshell measurements showed a 16 percent thinning compared with pre-1940 eggs from Greenland. Prey species carried low levels of DDE. The peregrine population appears to be at a near critical contamination level, and a small increase in DDE level could contribute to a population decline. No indication of a decline has been observed during the study, and the population appears stable. The project banded 185 peregrines, from which 8 recoveries occurred. The recoveries suggest peregrines migrate south to winter in South America.
Vegetation Of The Angmagssalik District Southeast Greenland Iv Shrub Dward Shrub And Terricolous Lichens
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Author :
language : en
Publisher: Museum Tusculanum Press
Release Date :
Vegetation Of The Angmagssalik District Southeast Greenland Iv Shrub Dward Shrub And Terricolous Lichens written by and has been published by Museum Tusculanum Press this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
A Synopsis Of The North American Lichens
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Author : Edward Tuckerman
language : en
Publisher:
Release Date : 1888
A Synopsis Of The North American Lichens written by Edward Tuckerman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1888 with Lichens categories.
Systematik und Phylogenetik, Nordamerika, Flechten
Lichens In South Greenland Distribution And Ecology
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Author : Kjeld Hansen
language : en
Publisher:
Release Date : 1971
Lichens In South Greenland Distribution And Ecology written by Kjeld Hansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.