نتایج جستجو برای: diversity management

تعداد نتایج: 1027701  

2016
MATTHEW A. WHALEN KRISTIN M. AQUILINO JOHN J. STACHOWICZ

Journal: :Proceedings. Biological sciences 2007
Caroline Buckee Leon Danon Sunetra Gupta

Community structure has been widely identified as a feature of many real-world networks. It has been shown that the antigenic diversity of a pathogen population can be significantly affected by the contact network of its hosts; however, the effects of community structure have not yet been explored. Here, we examine the congruence between patterns of antigenic diversity in pathogen populations i...

2005
Stefanija ŠESTANOVIĆ Mladen ŠOLIĆ Nada KRSTULOVIĆ Danijela BOGNER

Bacterial abundance, biomass, cell volume, and morphological diversity were studied in sediment samples collected from the coastal area of the eastern mid Adriatic Sea. Samples from the topmost 10 cm of sediment were taken monthly from January to December 2002. The number of bacteria varied from 3.54 x 109 cells g–1 in July to 8.08 x 109 cells g–1 in September. Biomass was lowest in May (78 μg ...

2001
Sergey Gavrilets

Evolutionary genetics studies the patterns and mechanisms of genetic changes underlying evolutionary change. Because biological diversity at all levels (including population, species, and ecosystem diversity) has a genetic basis and is a result of evolution, evolutionary genetics provides insight into the ultimate mechanisms creating biodiversity. Evolutionary genetics utilizes empirical tools ...

Journal: :journal of sciences, islamic republic of iran 2011
p. salehi shanjani

resource sustainability requires a thorough understanding of the influence of forest management programs on the conservation of genetic diversity in tree populations. to observe how differences in forest management affect the genetic structure of fagus orientalis lipsky (oriental beech), we evaluated thirteen beech sites across hyrcanian forests, based on six microsatellite loci. significant di...

ژورنال: کومش 2022

Introduction: Students with specific language impairment (SLI) have many difficulties in producing coherent written texts The goal of this study was to investigate and compare the management of cohesion in the written production of individuals with SLI and their normal peers in terms of density and diversity of connectives, the density of punctuation marks (periods and commas) and density and d...

P. Salehi Shanjani

Resource sustainability requires a thorough understanding of the influence of forest management programs on the conservation of genetic diversity in tree populations. To observe how differences in forest management affect the genetic structure of Fagus orientalis Lipsky (oriental beech), we evaluated thirteen beech sites across Hyrcanian forests, based on six microsatellite loci. Significant di...

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