نتایج جستجو برای: evenness

تعداد نتایج: 1999  

Journal: :Ecological Indicators 2022

It is generally assumed that functional richness, diversity and evenness are complementary and, taken together, describe different facets of the distribution species their abundances in space. However, although these three primary components community structure commonly accepted by most ecologists, measures usually fail to properly capture regularity In this paper we will use an underexplored d...

Journal: :Applied sciences 2021

The elevation of airport runways is specified in the operations manuals and globally accepted design guidelines. Airport are constantly exposed to various physical weather factors. However, these factors can deteriorate condition runway point where it becomes unusable. Monitoring continuous inspection evenness an important element a sustainable maintenance system. An system detection modelling ...

Journal: :international journal of environmental research 0

gradual decrease of biodiversity related to the rapid industrialization and urbanization is stimulating the fundamental research towards a better understanding of the relationships between biodiversity and ecosystem functioning. present study emphasizes the nature and status of floral diversity in the vicinity of integrated industrial estate-pantnagar, uttarakhand, india (iie-pantnagar).three m...

Journal: :Diversity and Distributions 2022

Abstract Aim Biodiversity loss results in reduced ecosystem functioning. However, the relationship between biodiversity and functioning (the BEF relationship) overexploited ecosystems remains controversial largely because of lack validation nature. Therefore, this study, through four seasonal trawl surveys demersal fish assemblages off shelf sea Shandong Province, China, we explored relationshi...

Determination of factors affecting on species distribution and diversity, especially in desert areas is the most important factor in rangeland ecosystems management for encountering biological stress. In order to evaluate the effect of physiographic factors on plant biodiversity in natural ecosystems of Kakhk Gonabad, this research was conducted in spring 2014. First, by overlaying four maps of...

Journal: :International Journal of Environmental Research and Public Health 2016

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