WFRF:(Svensson V.)
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- Krebs, C. J. (author)
Terrestrial trophic dynamics in the Canadian Arctic
- Article/chapterEnglish2003
Publisher, publication year, extent ...
- 2003
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-29696
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-29696URI
- https://lup.lub.lu.se/record/137234URI
- https://doi.org/10.1139/Z03-061DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-47009URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- ISI Document Delivery No.: 698CT Times Cited: 12 Cited Reference Count: 64
- The Swedish Tundra Northwest Expedition of 1999 visited 17 sites throughout the Canadian Arctic. At 12 sites that were intensively sampled we estimated the standing crop of plants and the densities of herbivores and predators with an array of trapping, visual surveys, and faecal-pellet transects. We developed a trophic-balance model using ECOPATH to integrate these observations and determine the fate of primary and secondary production in these tundra ecosystems, which spanned an 8-fold range of standing crop of plants. We estimated that about 13% of net primary production was consumed by herbivores, while over 70% of small-herbivore production was estimated to flow to predators. Only 9% of large-herbivore production was consumed by predators. Organization of Canadian Arctic ecosystems appears to be more top-down than bottom-up. Net primary production does not seem to be herbivore-limited at any site. This is the first attempt to integrate trophic dynamics over the entire Canadian Arctic.
Subject headings and genre
- NATURVETENSKAP Biologi hsv//swe
- NATURAL SCIENCES Biological Sciences hsv//eng
- NATURVETENSKAP Biologi Ekologi hsv//swe
- NATURAL SCIENCES Biological Sciences Ecology hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Medicinsk genetik hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Medical Genetics hsv//eng
- HERD CASE-HISTORY
- PLANT-COMMUNITIES
- WOLF PREDATION
- FOOD WEBS
- CARIBOU
- VEGETATION
- ECOSYSTEM
- LEMMINGS
- HERBIVORES
- BIOMASS
- Clinical genetics
Added entries (persons, corporate bodies, meetings, titles ...)
- Danell, K. (author)
- Angerbjörn, A. (author)
- Agrell, JepLund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science(Swepub:lu)ekol-jag (author)
- Berteaux, D. (author)
- Brathen, K. A. (author)
- Danell, O. (author)
- Erlinge, SamLund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Evolutionary ecology,Department of Biology,Faculty of Science(Swepub:lu)ekol-ser (author)
- Fedorov, V.Uppsala universitet,Institutionen för evolutionsbiologi,Conservation Biology and Genetics (author)
- Fredga, KarlUppsala universitet,Institutionen för evolutionsbiologi,Conservation Biology and Genetics(Swepub:uu)karlfred (author)
- Hjalten, J. (author)
- Hogstedt, G. (author)
- Jonsdottir, I. S. (author)
- Kenney, A. J. (author)
- Kjellén, NilsLund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Biodiversity,Department of Biology,Faculty of Science(Swepub:lu)ekol-nkj (author)
- Nordin, T. (author)
- Roininen, H. (author)
- Svensson, M. (author)
- Tannerfeldt, M. (author)
- Wiklund, C. (author)
- Biologiska institutionenNaturvetenskapliga fakulteten (creator_code:org_t)
Related titles
- In:Canadian Journal of Zoology-Revue Canadienne De Zoologie81, s. 827-843
- In:Canadian Journal of Zoology81, s. 827-8431480-3283
- In:Can. J. Zool.81, s. 827-843
Internet link
- <Go to ISI>://000183980600009
- https://portal.research.lu.se/files/2760364/624648.pdfFULLTEXT
- http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_abst_e?cjz_z03-061_81_ns_nf_cjz5-03FULLTEXT
- http://dx.doi.org/10.1139/Z03-061FULLTEXT
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-29696
- https://lup.lub.lu.se/record/137234
- https://doi.org/10.1139/Z03-061
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-47009
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- Danell, O.
- Erlinge, Sam
- Fedorov, V.
- Fredga, Karl
- Hjalten, J.
- Hogstedt, G.
- Jonsdottir, I. S ...
- Kenney, A. J.
- Kjellén, Nils
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- Roininen, H.
- Svensson, M.
- Tannerfeldt, M.
- Wiklund, C.
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