Yahoo Αναζήτηση Διαδυκτίου

Αποτελέσματα Αναζήτησης

  1. • If pheasant densities (birds/CAE) remain at their current historic lows, it may take much more than 45 million acres of CRP to achieve the desired effect on population abundance. Though the reasons for density declines are uncertain, the phenomenon coincides with the

  2. 27 Φεβ 2024 · Abstract. The common pheasant is a widespread species in the ecosystem. This review summarizes recent knowledge on the ecology, behaviour, and conservation status of this species, emphasizing...

  3. Population trends (1966-2013) of wild pheasants in North America. Source: Sauer, J. R., J. E. Hines, J. E. Fallon, K. L. Pardieck, D. J. Ziolkowski, Jr., and W. A. Link. 2014. The North American Breeding Bird Survey , Results and Analysis 1966-2013.

  4. 5 Νοε 2021 · Evaluating genetic variation and structure in common pheasant populations, and identifying those with low and high levels of genetic diversity, is crucial for effective conservation and...

  5. 1 Ιαν 2001 · Populations of Common Pheasant have been classified into five subspecies groups based on morphological variations in male plumage.

  6. 1 Δεκ 2017 · We studied the impacts of the 2012 summer drought on female ring-necked pheasant (Phasianus colchicus) body condition and baseline and stress-induced corticosterone concentrations (CORT).

  7. female was most frequently recorded during the mating season. We do not know how often the pheasants copulated, but studies on domestic chickens (Gallus sp.) indicate that hens can store viable sperm up to three weeks (Lodge et al. 1971). Hence, a few copulations may be enough for a female pheasant to have all her eggs inseminated.