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Vegetation Of The Angmagssalik District Southeast Greenland
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Book Synopsis Vegetation of the Angmagssalik District, Southeast Greenland, IV. Shrub, Dward Shrub and Terricolous Lichens by :
Download or read book Vegetation of the Angmagssalik District, Southeast Greenland, IV. Shrub, Dward Shrub and Terricolous Lichens written by and published by Museum Tusculanum Press. This book was released on with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biology of the Peregrine and Gyrfalcon in Greenland by : William A. Burnham
Download or read book Biology of the Peregrine and Gyrfalcon in Greenland written by William A. Burnham and published by Museum Tusculanum Press. This book was released on 1984 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Allotetraploid Saxifraga Nathorsti and its Probable Progenitors S. Aizoides and S. Oppositifolia by :
Download or read book The Allotetraploid Saxifraga Nathorsti and its Probable Progenitors S. Aizoides and S. Oppositifolia written by and published by Museum Tusculanum Press. This book was released on with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Soil Crusts: Structure, Function, and Management by : Jayne Belnap
Download or read book Biological Soil Crusts: Structure, Function, and Management written by Jayne Belnap and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: In arid lands, where vegetation is sparse or absent, the open ground is not bare but generally covered by a community of small, highly specialized organisms. Cyanobacteria, algae, microfungi, lichens, and bryophytes aggregate soil particles to form a coherent skin - the biological soil crust. It stabilizes and protects the soil surface from erosion by wind and water, influences water runoff and infiltration, and contributes nitrogen and carbon to desert soils. Soil surface disturbance, such as heavy livestock grazing, human trampling or off-road vehicles, breaks up the fragile soil crust, thus compromising its stability, structure, and productivity. This book is the first synthesis of the biology of soil crusts and their importance as an ecosystem component. Composition and functioning of different soil-crust types are discussed, and case studies are used to show the impact of crusts on landscape hydrology, soil stability, nutrient cycles, and land management.
Book Synopsis Vegetation and Zonation in Continental West Greenland by : Birgit Sieg
Download or read book Vegetation and Zonation in Continental West Greenland written by Birgit Sieg and published by Museum Tusculanum Press. This book was released on 2006 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Vegetation Types of Northeast Greenland by : Bent Fredskild
Download or read book The Vegetation Types of Northeast Greenland written by Bent Fredskild and published by Museum Tusculanum Press. This book was released on 1998 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: .
Book Synopsis Biology of Polar Bryophytes and Lichens by : R. E. Longton
Download or read book Biology of Polar Bryophytes and Lichens written by R. E. Longton and published by CUP Archive. This book was released on 1988-11-10 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considers the evolution and adaptions of arctic and antarctic floras and the role of these plants in the vegetation and in the functioning of tundra ecosystems.
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1976 with total page 1732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Meroplankton in Jorgen Bronlund Fjord, North Greenland by : Ole G.. Norden Andersen
Download or read book Meroplankton in Jorgen Bronlund Fjord, North Greenland written by Ole G.. Norden Andersen and published by Museum Tusculanum Press. This book was released on 1984 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dry Coastal Ecosystems by : E. van der Maarel
Download or read book Dry Coastal Ecosystems written by E. van der Maarel and published by Elsevier Publishing Company. This book was released on 1993 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Regional survey of dry coastal ecosystems including botanical-ecological and physiographic information, ecosystem dynamics, applied aspects, and a glossary. Volume deals mainly with sand dunes.
Download or read book Snow Ecology written by H. G. Jones and published by Cambridge University Press. This book was released on 2001-01-15 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multidisciplinary 2001 overview of life in, on and under snow for anyone interested in the cryosphere.
Book Synopsis Illustrated Moss Flora of Arctic North America and Greenland by : Gert S. Mogensen
Download or read book Illustrated Moss Flora of Arctic North America and Greenland written by Gert S. Mogensen and published by Museum Tusculanum Press. This book was released on 1985 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Birth of Scientific Ecology by : Patrick Matagne
Download or read book Birth of Scientific Ecology written by Patrick Matagne and published by John Wiley & Sons. This book was released on 2024-02-21 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a biography of the Danish botanist Eugen Warming. As the author of a treatise on ecology that brought him international recognition, he was able to inspire the first generation of 20th-century European and American ecologists. His innovative approach to nature and his Arctic and tropical missions heralded the birth of a new science and an ecological awareness. As a professor at several Scandinavian universities during a period of intense debate and controversy over evolutionary theories, Eugen Warming vigorously asserted his convictions. Birth of Scientific Ecology presents the image of a man of knowledge and power, recognized by his contemporaries as a founder of ecology and a player in the ecological project of the Kingdom of Denmark at a time when the empires were clashing.
Download or read book Saltmarsh Ecology written by Paul Adam and published by Cambridge University Press. This book was released on 1993-07-08 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: A broad introduction to the ecology of the unique environment of the saltmarsh.
Book Synopsis Newsletter from the Commission for Scientific Research in Greenland by :
Download or read book Newsletter from the Commission for Scientific Research in Greenland written by and published by . This book was released on 1979 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of the Arctic by : Mark Nuttall
Download or read book Encyclopedia of the Arctic written by Mark Nuttall and published by Routledge. This book was released on 2005-09-23 with total page 2306 pages. Available in PDF, EPUB and Kindle. Book excerpt: With detailed essays on the Arctic's environment, wildlife, climate, history, exploration, resources, economics, politics, indigenous cultures and languages, conservation initiatives and more, this Encyclopedia is the only major work and comprehensive reference on this vast, complex, changing, and increasingly important part of the globe. Including 305 maps. This Encyclopedia is not only an interdisciplinary work of reference for all those involved in teaching or researching Arctic issues, but a fascinating and comprehensive resource for residents of the Arctic, and all those concerned with global environmental issues, sustainability, science, and human interactions with the environment.
Book Synopsis Miscellaneous Publications of the University of Utrecht Herbarium by :
Download or read book Miscellaneous Publications of the University of Utrecht Herbarium written by and published by . This book was released on 1983 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
