considering the importance of biodiversity conservation and protection assessment activities, the present filed study was conducted with aim to compare vegetation diversity of two areas with different levels of protection including ghorkhod protected area with seasonal grazing and golestan national park without grazing, during spring and summer of 2011. four replications were selected in each a...

The depletion of forest in developing countries due to extended pastures, agricultural land, fuel wood and etc. is a serious concern. Therefore planting trees for reforestation and extended forest area is a essential assignment. Forest plantation with a basic criterion affects to understory plant diversity. This effects may make some species absent or appear. The objective of this study is to a...

The diversity and community structure of arthropods in an organic double-cropped rice ecosystem in Guangdong Province, China was studied. We compared the arthropod communities in the early season (Apr-Jul) crop to those in the late season (Aug-Nov) crop in 2009. The comparisons were undertaken using a combination of community assessment approaches, including morphospecies richness, the Shannon-...

Tujuan penelitian ini adalah untuk mengetahui distribusi jenis, kelimpahan, keragaman, dan kesamaan makrobenthos yang berada di dalam posisi aggregasi lokasi berbeda. Observasi telah dilakukan 2 stasion Tiwoho Blongko, selama April, 2021. Makrobentos diambil dengan meletakan ‘Core’ (PVC) diameter 15 cm pada tengah pinggir besar, serta kecil lokasi. Materi ada diangkat, dimasukkan plastik berlab...

Alpha diversity, also known as α-diversity, refers to the diversity of species within a specific area, community, or ecosystem. In this study, an analysis alpha in Banas River corridor Gujarat was conducted using quadrate sampling method. The flora demonstrates moderate levels evenness, and richness, indicating vibrant diverse Total 133 tree Shrub were observed from area. Shannon index, which m...

The Ruzizi River, the outlet of Lake Kivu in Albertine Rift, flows into Tanganyika and is important for hydropower generation irrigation. impacts 2 dams River on macroinvertebrate community composition diversity were surveyed every 3 months from December 2015 to October 2017. Macroinvertebrate samples collected at sites upstream downstream additionally two further dams, both comparatively prist...

bahrakan region is one of the four important and major areas of oil and economy in the persian gulf. the aim of this study was to evaluate the use of meiofauna as bioindicator of environmental pollution and the influence of organic contaminants on variation of meiofauna. sampling has done from 9 stations in three transects perpendicular to the intertidal shoreline, in the cold season (winter 20...

in this study, species richness, evenness and vegetation biodiversity were investigated in stabilized and non-stabilized cut edge areas of chachkam district forest roads in sari forest of iran. 18 micro plots 1×1m (36 micro plots) were sampled to carry out this research on two cut edge areas. number of trees, shrubs and herbaceous were recorded in each micro-plot. significant difference was inv...