نتایج جستجو برای: ecologists

تعداد نتایج: 3181  

Journal: :Ecosystem Health and Sustainability 2015

Journal: :Revista Chilena de Historia Natural 2022

Abstract Background A team of 3 scientometrists led by John Ioannidis published in 2020 an extensive and updated database (ca. 6.9 million researchers 22 disciplines 176 sub-disciplines), ordering them according to a composite bibliometric index that measures their whole trajectory (career-long) impact annual at year 2019. They reported the top 100,000 scientists (1.45% across all disciplinary ...

2002

During the last decade, ecologists and particularly mathematical ecologists have focused on different approaches to the problem of spatial distribution of species. When the spatial distribution is not considered explicitly, the mathematical models are called spatially implicit. They consider the proportion of territory occupied by given species, but there is no information on which particular s...

Journal: :Eastern-European Journal of Enterprise Technologies 2014

2004
Wayne L. Linklater Elissa Z. Cameron

Publishing trends in the New Zealand and Australian Journals’ of Ecology (NZJE and AJE) were compared (1953-97) and publishing by contemporary (1997) Australasian authors examined from mid-1995 to 1998. The NZJE published a smaller proportion (9%) of their authors total manuscripts than the AJE (13%). Both Journals’ authors published almost 70% of their manuscripts in international journals and...

2003
Brian S Cade Barry R Noon

www.frontiersinecology.org © The Ecological Society of America R is a common statistical method employed by scientists to investigate relationships between variables. Quantile regression (Koenker and Bassett 1978) is a method for estimating functional relations between variables for all portions of a probability distribution. Although it has begun to be used in ecology and biology (Table 1), ma...

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