نتایج جستجو برای: stream biodiversity

تعداد نتایج: 94271  

Journal: :journal of rangeland science 2013
victor r squires neymatolla safarov

tajikistan is a hotspot of plant and animal species diversity and endemism andis important for the conservation of biodiversity on a global scale. the country is located ata biological crossroads. species from central and northern europe, central asia, themiddle east, and north africa mingle here with endemics found nowhere else. therichness of tajikistan‘s biodiversity shows up at the genetic,...

Journal: :international journal of advanced biological and biomedical research 2013
hamid ahani hamid jalilvand

forests are biologically diverse systems, representing some of the richest biological areas on earth. they offer a variety of habitats for plants, animals and micro-organisms. however, forest biodiversity is increasingly threatened as a result of deforestation, fragmentation, climate change and other stressors. biodiversity is the variation of life forms within a given ecosystem, biome, or on t...

Landslides caused many ecological processes at landscape to local scales, including the ecological succession processes. The landslides geological characteristics and their management as physical risks are truly documented but the ecological processes that are caused by landslides and their relations to efforts to restore stability to unstable slopes, have not been well studied. In this study, ...

The study assessed the effects of agricultural practices on biodiversity in Olamaboro Local Government Are of Kogi State, Nigeria. One hundred and fifty (150) farmers (respondents) were sampled using simple random sampling technique from five council wards (30 farmers per council ward). Data collected were analyzed using descriptive statistics and Logit regression model. Results showed that 63%...

Journal: :mycologia iranica 2015
amirreza amirmijani seyed akbar khodaparast rasoul zare

during an investigation on cladosporium species associated with numerous substrates of various localities in iran during 2011-13, eight species including c. delicatulum, c. echinulatum, c. exile, c. macrocarpum, c. neriicola, c. pannosum, c. scabrellum and c. uredinicola were identified based on the morphological characters. all these species are new records for the iranian mycobiota, except fo...

Journal: :Journal of Hydrology 2021

• Morphological, hydrological and physicochemical conditions as well metabolic activity are assessed across streams. Comparisons made between snowmelt groundwater fed systems. Snowmelt streams experience no flow storm events. Groundwater had higher environmental stability activity. Patterns were similar to other regions of the globe, but there was inter-stream variation. The unique hydrology ph...

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
gyanden kughur department of agricultural extension and communication, university of agriculture, p.m.b 2373 makurdi, benue state, nigeria mtimbir grace iornenge department of agricultural extension and communication, university of agriculture, p.m.b 2373 makurdi, benue state, nigeria ismaila shuaibu department of agricultural extension and communication, university of agriculture, p.m.b 2373 makurdi, benue state, nigeria

the study assessed the effects of agricultural practices on biodiversity in olamaboro local government are of kogi state, nigeria. one hundred and fifty (150) farmers (respondents) were sampled using simple random sampling technique from five council wards (30 farmers per council ward). data collected were analyzed using descriptive statistics and logit regression model. results showed that 63%...

2007
Roger S. Barga Jonathan Goldstein Mohamed H. Ali Mingsheng Hong

From 06.05. to 11.05.2007, the Dagstuhl Seminar 07191 Event Processing was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put...

2006
Heikki Mykrä Olli Vuolteenaho Seppo Eriksson Timo Muotka Jani Heino Leonard Sandin Raimo Ahonen

In this thesis, I studied spatial and temporal variability of macroinvertebrate assemblages of boreal streams. The main objectives were (i) to characterize macroinvertebrate assemblage types across large geographical extents, and to assess the utility of assemblage types and landscape and stream type classifications as the basis of stream bioassessment and conservation programs (ii, iii). I als...

2014
Vasant G. Honavar

The emergence of “big data” offers unprecedented opportunities for not only accelerating scientific advances, but also enabling new modes of discovery. While we understand how to automate routine aspects of data management and analytics, most elements of the scientific process currently require considerable human expertise and effort. We argue that realizing the full potential of data to accele...

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