نتایج جستجو برای: evenness simpson

تعداد نتایج: 5643  

Journal: :Ecology and evolutionary biology 2021

Traditional homegardens in southwest Ethiopia is well-known land use practices playing important role biodiversity conservation aspects. The objective of this study was to examine the contribution towards conservation. Homegarden plant diversity assessment done. A simple random sampling method used select 45 homegardens. Diversity indices were for analysis. total 79 species belonging 41 familie...

Journal: :Psychiatric Bulletin 1999

Journal: :Physics Today 2002

Journal: :The Lancet 1831

2016
Yong-Hong Liu Jian-Wei Guo Nimaichand Salam Li Li Yong-Guang Zhang Jian Han Osama Abdalla Mohamad Wen-Jun Li

Xinjiang, a region of high salinity and drought, is a host to many arid and semi-arid plants. Many of these plants including Ferula spp. have indigenous pharmaceutical histories. As many of the medicinal properties of plants are in tandem with the associated microorganisms residing within the plant tissues, it is advisable to explore the endophytic potential of such plants. In the present study...

2009
J. Eshaghi Rad M. Manthey A. Mataji

Species diversity is one of the most important indices used for evaluating the sustainability of forest communities. This study aims to characterize the forest communities and to identify and compare the plant species diversity in the study area. For this purpose, 152 relevés were sampled by a randomized-systematic method, using the Braun-Blanquet scale. Classification of the vegetation was con...

Journal: :Environment Conservation Journal 2023

Almost, in all flora and fauna, the species richness is affected by environmental changes; hence it important to survey regularly understand current composition diversity of different wildlife an ecosystem. The present study surveyed assess distribution, conservation status, abundance birds using point count method, at two habitats, a wetland (BhikundJheel; BJ) forest (Arjun Van; AV) Hastinapur...

براری, کامبیز, حجتی, سید محمد, فلاح, اصغر, کاظمی, شهره,

This study was undertaken to investigate the role of forest management in tree diversity, regeneration and vegetation in control and managed parcels of series No. 1 of forestry plan in Khalil-Mahale, Behshahr. Thirty samples with an area of 1000 m2 were systematically and randomly taken with a 100 × 75 m grid in both parcels. In each plot, tree number and species type were recorded. In order to...

Dorna Rezaei Maziar Haidari

Silvicultural operation need to notice the species diversity. To this study Gomarlang district in marivan region, northern zagros forest was selected. In this study 30 circle sample plots (500 m2) were collected by random method. In every sample plot the kind of species and number of trees and shrub were recorded. In the sample plots the micro plots of 5 m by 5 m (i.e. area of 25 m2) were desig...

Dorna Rezaei Maziar Haidari

Silvicultural operation need to notice the species diversity. To this study Gomarlang district in marivan region, northern zagros forest was selected. In this study 30 circle sample plots (500 m2) were collected by random method. In every sample plot the kind of species and number of trees and shrub were recorded. In the sample plots the micro plots of 5 m by 5 m (i.e. area of 25 m2) were desig...

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