Relationship between average heterozygosity and river population size in chum salmon.
نویسندگان
چکیده
منابع مشابه
Interactions between brown bears and chum salmon at McNeil River, Alaska
Predation on returning runs of adult salmon (Oncorhynchus spp.) can have a large influence on their spawning success. At McNeil River State Game Sanctuary (MRSGS), Alaska, brown bears (Ursus arctos) congregate in high numbers annually along the lower McNeil River to prey upon returning adult chum salmon (O. keta). Low chum salmon escapements into McNeil River since the late 1990s have been prop...
متن کاملRelationship between river size and nutrient removal
[1] We present a conceptual approach for evaluating the biological and hydrological controls of nutrient removal in different sized rivers within an entire river network. We emphasize a per unit area biological parameter, the nutrient uptake velocity (nf), which is mathematically independent of river size in benthic dominated systems. Standardization of biological parameters from previous river...
متن کاملfrom Chum Salmon
Cystatin, a cysteine proteinase inhibitor, was isolated from chum salmon (Oncorilynch"s keta) pituitary glands by ion-exchange chromatography on Mono-Q, gel filtration on Superdex 75, and reverse-phase HPLC on an ODS fo1]owing ethanol-ammonium acetate extraction. Salmon pituitary cystatin was equipotent te chicken egg-white cystatin in the papain inhibitory assay. The cystatin consists of 111 a...
متن کاملRelationship between Population Size and Fitness
Long-term effective population size, which determines rates of inbreeding, is correlated with population fitness. Fitness, in turn, influences population persistence. I synthesized data from the literature concerning the effects of population size on population fitness in natural populations of plants to determine how large populations must be to maintain levels of fitness that will provide ade...
متن کاملMonitoring of Aeromonas salmonicida in Chum salmon (Oncorhynchus keta) from Namdae River, Korea
In this study, 665 chum salmon (Oncorhynkus keta) were caught from Namdae river during 2006 and 2010, and monitored for typical Aeromonas salmonicida, a causative bacterium of furunculosis. 440 adults and 225 artificially hatched fry pools were examined by PCR using the typical A. salmonicida-specific vapA gene primers. The results demonstrated that 43.2% of the samples (287/665 samples) were P...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1984
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.50.603