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Ecological-Taxonomical Analysis Of Collembolans Of The Northeast Of Uzbekistan, Matnazar Rakhimov, Zulkhumor Elmuratova, Dilfuza Majidova Jun 2018

Ecological-Taxonomical Analysis Of Collembolans Of The Northeast Of Uzbekistan, Matnazar Rakhimov, Zulkhumor Elmuratova, Dilfuza Majidova

Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences

Paper is devoted to the ecological and faunistic analysis of the collembolans unit of the Northeast region of Uzbekistan. In the agrocenoses of apple orchard, wheat and surrounding ecosystems, 40 species of collembolans have been identified. Of these, 29 species were found in agrocenoses (apple orchard and wheat), and 40 (in natural communities). We observed the same pattern in a huge population density in the cenoses studied. It is significantly more in natural communities (12386 copies per 1 m2 of soil) as compared with agrocenoses (6980 copies per 1 m2 of soil). The horizons of the surface layer …


Biological Soil Crusts In A Northeastern Pine Barren: Composition And Ecological Effects, Jessica Gilbert Jun 2018

Biological Soil Crusts In A Northeastern Pine Barren: Composition And Ecological Effects, Jessica Gilbert

Honors Theses

Biological soil crusts (BSCs), otherwise known as cryptogamic soil crusts, biocrusts, or cyanobacterial crusts, are soil aggregations hosting diverse biotic communities. They are composed of cyanobacteria and algae, and generally have a covering of moss and/or lichen. BSCs are typically found in arid to semi-arid regions throughout the world, and are integral soil stabilizers, moisture retainers, and nitrogen fixers in these communities. Along with these factors, BSCs are able to impact germination and establishment of plants, either as an accompanying influence, or direct result of those listed above. BSCs have yet to be formally described in the inland northeastern United …


Importance Of Moss Habitats For Mesostigmatid Mites (Acari: Mesostigmata) In Romania, Minodora Manu, Raluca Ioana Bancila, Marilena Onete Jan 2018

Importance Of Moss Habitats For Mesostigmatid Mites (Acari: Mesostigmata) In Romania, Minodora Manu, Raluca Ioana Bancila, Marilena Onete

Turkish Journal of Zoology

This study aimed to characterize the composition of soil mite populations (Acari: Mesostigmata) from 3 moss habitats (rock moss, bark moss, and soil moss). In total, 15 natural forest ecosystems were analyzed (3 deciduous forests, 5 beech forests, 1 fir forest, 5 spruce forests, and 1 mixed forest), from 8 counties in Romania. A total of 240 soil samples, 97 species, and 3018 individuals were analyzed. The samples were taken from April 2012 until October 2013. The highest numerical abundance and species diversity was found in the soil moss, in comparison with bark moss, where the lowest values were recorded. …