nitida population. These beetles exhibited a lesser degree of secondary sexual dimorphism in comparison to northeastern US C. nitida populations, especially in older females that possibly had worn down tibial teeth and abdominal hairs by digging in soil to lay eggs. Consequently, the method of ...
Weed population shifts and the evolution of herbicide resistant weed populations have been significant factors in agriculture, Agroecosystems impart selection pressures that make these changes in the weed community inevitable. Examples of weed population shifts include the rapid increase in Amaranthus rudis ...
Population structureState-space modelTime series analysisPortfolio effectDemographic, functional, or habitat diversity can confer stability on populations via portfolio effects (PEs) that integrate across multiple ecological responses and buffer against environmental impacts. The prevalence of these PEs in ...
1b) (see Methods) in order to examine the temporal trends of human population distribution across different distance classes to major rivers and among distinct types of aquifers. We used the relationship between normalized population density (NPD) and distance to major rivers (DMR) to indicate ...
We quantified changes that occurred in proportional stock density (PSD), relative stock density (RSD), relative weight (Wr), and catch per unit effort (CPUE) of a diminishing burbot (Lota lota) population in the Kootenai River, Idaho, USA and British Columbia, Canada. Sampling with hoop ...
aPopulation in this research consisted of all USA firms during period of 1971 to 2003 in which following previous studies, financing and welfare firms were excluded from the sample. 跟随的早先研究、财务和福利救济企业从样品被排除的人口在这研究包括了所有美国企业在1971年的期间到2003年。[translate]...
Population increase in Kirtland's warbler and summer range expansion to Wisconsin and Michigan's Upper Peninsula, USA 1. Bocetti, and S. Sjogren. 2003. Population increase in Kirtland's Warbler and summer range expansion to Wisconsin and Michigan's Upper Peninsula. Oy... DM Donner,CI Bocetti...
Population dynamics of the philometrid nematode Margolisianum bulbosum in the southern flounder Paralichthys lethostigma (Pisces: Paralichthyidae) in South... This is the first report of the philometrid nematode Margolisianum bulbosum Blaylock and Overstreet, 1999 from the southern flounder ...
In the northeast of the USA there are six small states. Together they are called New England. The most important state of New England is Massachusetts. Its capital city is Boston with a population of just over half a million which is the biggest city in New England. Greater Boston is make...
United States Map: The third-largest country in the world by both land area and population. The United States of America (USA) is a federal republic located in North America. The country consists of 50 states, one federal district (Washington, D.C.), and 5 self-governing territories. ...