Incorporating concentration dependence in stable isotope mixing models: A response to Phillips and Koch (2002)

Oecologia

Volumn 133, Issue 1, 2002, Pages 10-13

  Robbins, Charles T ^a   Hilderbrand, Grant V ^b   Farley, Sean D ^b  

^a WASHINGTON STATE UNIVERSITY   (United States)

^b ALASKA DEPARTMENT OF FISH AND GAME   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

STABLE ISOTOPE;

EID: 0036938183     PISSN: 00298549     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00442-002-0978-5     Document Type: Article

References (24)

1. Barbour MG, Burk JH, Pitts WD (1987) Terrestrial Plant Ecology. Cummings, Menlo Park, Calif.
2. Ben-David M, Schell DM (2001) Mixing models in analyses of diet using multiple stable isotopes: A response. Oecologia 127:180-184
3. Chi DK (1999) The Effects of Salmon Availability, Social Dynamics, and People on Black Bear (Ursus americanus) Fishing Behavior on an Alaskan Salmon Stream. Doctoral thesis, Utah State University, Logan, Utah
4. Chisholm BS, Nelson DE, Schwarcz HP (1982) Stable-carbon isotope ratios as a measure of marine versus terrestrial protein in ancient diets. Science 216:1131-1132
5. Helfield JM, Naiman RJ (2001) Effects of salmon-derived nitrogen on riparian forest growth and implications for stream productivity. Ecology 82:2403-2409
6. Hilderbrand GV, Farley SD, Robbins CT, Hanley TA, Titus K, Servheen C (1996) Use of stable isotopes to determine diets of living and extinct bears. Can J Zool 74:2080-2088
7. Hilderbrand GV, Hanley TA, Robbins CT, Schwartz CC (1999a) Role of brown bears (Ursus arctos) in the flow of marine nitrogen into a terrestrial ecosystem. Oecologia 121:546-550
8. Hilderbrand GV, Jenkins SG, Schwartz CC, Hanley TA, Robbins CT (1999b) Effect of seasonal differences in dietary meat intake on changes in body mass and composition in wild and captive brown bears. Can J Zool 77:1623-1630
9. Hilderbrand GV, Schwartz CC, Robbins CT, Jacoby ME, Hanley TA, Arthur SM, Servheen C (1999c) The importance of meat, particularly salmon, to body size, population productivity, and conservation of North American brown bears. Can J Zool 77:132-138
10. 15 N) isotopes to infer trophic relationships among black and grizzly bears in the upper Columbia River basin, British Columbia. Can J Zool 1332-1339
11. Jacoby ME, Hilderbrand GV, Servheen C, Schwartz CC, Arthur SM, Hanley TA, Robbins CT, Michener R (1999) Trophic relations of brown and black bears in several western North American ecosystems. J Wildl Manage 63:921-929
12. Mattson DJ, Blanchard BM, Knight RR (1991) Food habits of Yellowstone grizzly bears, 1977-1987. Can J Zool 69:1619-1629
13. McCarthy TM (1989) Food Habits of Brown Bears on Northern Admiralty Island, Southeast Alaska. MSc thesis, University of Alaska, Fairbanks
14. McLellan BN, Hovey FW (1995) The diet of grizzly bears in the Flathead River drainage of southeastern British Columbia. Can J Zool 73:704-712
15. Partridge ST, Nolte DL, Ziegltrum GJ, Robbins CT (2001) Impacts of supplemental feeding on the nutritional ecology of black bears. J Wildl Manage 65:191-199
16. Phillips DL, Koch PL (2002) Incorporating concentration dependence in stable isotope mixing models. Oecologia 130:114-125
17. Pritchard GT, Robbins CT (1990) Digestive and metabolic efficiencies of grizzly and black bears. Can J Zool 68:1645-1651
18. Reimchen TE (1998) Nocturnal foraging behaviour of black bears, Ursus americanus, on Moresby Island, British Columbia. Can Field Nat 112:446-450
19. Reimchen TE (2000) Some ecological and evolutionary aspects of bear-salmon interactions in coastal British Columbia. Can J Zool 78:448-457
20. Robbins CT (1993) Wildlife Feeding and Nutrition, 2nd Edn. Academic Press, San Diego, Calif.
21. Rode KD, Robbins CT (2000) Why bears consume mixed diets during fruit abundance. Can J Zool 78:1640-1645
22. Rode KD, Robbins CT, Shipley LA (2001) Constraints on herbivory by grizzly bears. Oecologia 128:62-71
23. Taylor RE, Kirner DL, Southon JR, Chatters JC (1998) Radiocarbon dates of Kennewick Man. Science 280:1171-1172
24. Welch CA, Keay J, Kendall KC, Robbins CT (1997) Constraints on frugivory by bears. Ecology 78:1105-1119