Dissertationen zum Thema „Biotopic diversity“
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Galada, Ncebakazi. „Exploring diversity and ecology of nonarchaea in hydrothermal biotopes“. Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&.
Der volle Inhalt der Quelleuniversal&rdquo
archaeal 16S PCR primers and could only be amplified using specifically designed primers. In order to identify and access a wide diversity of archaeal phylotypes a new set of &ldquo
universal&rdquo
archaeal primers A571F (5&rsquo
-GCY TAA AGS RIC CGT AGC-3&rsquo
) and UA1204R (5&rsquo
-TTM GGG GCA TRC IKA CCT-3&rsquo
) was designed, that could amplify the 16S rRNA genes of all four archaeal sub-divisions. Using these primers community DNA was amplified from Chinese and New Zealand hydrothermal systems.
Della, Bella Valentina. „COMPOSIZIONE TASSONOMICA, ORGANIZZAZIONE FUNZIONALE E STRUTTURA IN TAGLIA DELLA MACROFAUNA A INVERTEBRATI DI BIOTOPI TEMPORANEI E PERMANENTI DEL LITORALE TIRRENICO - TAXONOMIC COMPOSITION, FUNCTIONAL ORGANIZATION AND SIZE STRUCTURE OF MACROINVERTEBRATE COMMUNITIES IN TEMPORARY AND PERMANENT PONDS OF THE TYRRHENIAN COAST“. Doctoral thesis, La Sapienza, 2005. http://hdl.handle.net/11573/916841.
Der volle Inhalt der QuelleVirbalytė, Ieva. „Januliškio girininkijos medynų vertinimas biologinės įvairovės požiūriu“. Master's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120620_151042-91167.
Der volle Inhalt der QuelleIn this final master degree work the stands of Januliškis Forestry are evaluated from the perpective of biodiversity and the most favorable environment for biodiversity and it‘s protection is determined. The object of the work – The teritory of SE Švenčionėliai State Forest Januliškis Forestry. The aim of the study – To evaluate Januliškis Forestry stands from the perspective of biodiversity and to determine the most favorable teritories for biodiversity and it‘s protection. Working methods – the analysis of 1975 yr., 1985 yr., 1999 yr., and 2009 yr. data about forest order, the assessment of stands‘ species diversity rates and the characterization of the forestry biological diversity and determination of concentration points based on protected teritories, key biotopes and rare species that are found in the teritory of particular forestry. Study results – The reasearch showed that in the part of the forest which belongs to Juniliškis Forestry in 1975 there were 6 tree species, in 1985 – 7, and in 1999 – 2009 there could be found 9 tree species. This happened due to linden, gray alder, oak, ash, willow and larch stands appearance. In the analyzed period the decrease in number of pines by 6,4% can be observed, on the other hand, at the same time the increase in number of spruces by 4 % is traced. The dynamics of analyzed diversity, proportion and predominance rates indicates the growth of stands‘ species diversity till 1985 and it‘s abatement after 1985. While analysing the... [to full text]
Renner, Swen Christoph. „Structure and diversity of cloud forest bird communities in Alta Verapaz, Guatemala, and implications for conservation“. Doctoral thesis, [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969959478.
Der volle Inhalt der QuelleBurkartová, Kateřina. „Využití mikrobiálních komunit jako markeru podmínek v podzemních biotopech“. Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-368994.
Der volle Inhalt der QuelleMakhalanyane, Thulani Peter. „The diversity of key anabolic genes in antarctic hypolithons“. Thesis, 2009. http://hdl.handle.net/11394/3337.
Der volle Inhalt der QuelleAntarctica is known for its pristine environments. A variety of unsuitable environmental conditions were once thought to render the continent unsuitable for sustaining life. However, metagenomic data have revealed a wealth of species diversity in a range of biotopes.Hypolithons, photosynthetic communities which live under translucent rocks in climatically extreme environments, are an important input source for both carbon (C) and nitrogen (N) in this hyperarid desert environment. Microbial contribution to biogeochemical cycling resulting in fixation of both C and N remains poorly understood. Moreover, there is a reported close interplay between both cycles, with nitrogen being reported to be a limiting factor in carbon assimilation.In this study the diversity of C and N fixing organisms was investigated by using the cbbL and nifH genes as phylogenetic and functional markers. High Molecular weight metagenomic DNA and RNA was extracted from hypolithons. PCR amplification was carried out using cbbL (800 bp for red-like, 1,100 bp for green-like) and nifH (360 bp) gene specific primers.Resultant PCR products were used to construct libraries which were screened for correct sized inserts. Restriction Fragment Length Polymorphism (RFLP) was used to de-replicate clones prior to sequencing. Phylogenetic positions from both clone libraries were established by aligning nucleotide sequences and constructing similarity trees using NJ clustering methods.BLASTn results indicated the presence of previously uncultured organisms which contain cbbL and nifH genes. BLASTn results were characterized by low percentages of maximum identity (typically <95%), a potential indicator of novel taxa. Sequences from respective libraries clustered with cyanobacteria such as Nostoc, Scytonema, and Tolypothrix and α-, β-, and γ-Proteobacteria such as Azotobacter, Agrobacterium and Mesorhizobium. Generally sequence results indicate a largely homogenous, being dominated by specific taxa. Each group may contain potential keystone species, essential for both biogeochemical cycling in oligotrophic environment.
JAHNOVÁ, Zuzana. „Společenstva epigeických brouků plantáží rychle rostoucích bylin a okolních biotopů“. Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-52828.
Der volle Inhalt der QuelleHAVEL, Jaroslav. „Zhodnocení přírodní hodnoty a ekosystémových služeb přírodě blízkých biotopů v intenzivně využívané zemědělské krajině“. Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-252429.
Der volle Inhalt der QuelleKUBÁTOVÁ, Marcela. „Biodiverzita městského prostředí - Č. Krumlov jako model města světového kulturního dědictvé UNESCO (brownfields, městská zeleň a vybrané příměstské biotopy)“. Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-188494.
Der volle Inhalt der QuelleLinares-Palomino, Reynaldo. „Diversity and Ecological patterns of Bolivian deciduous forests“. Doctoral thesis, 2009. http://hdl.handle.net/11858/00-1735-0000-0006-B65C-8.
Der volle Inhalt der QuelleWeland, Nadine. „Diversity and trophic structure of the soil fauna and its influence on litter decomposition in deciduous forests with increasing tree species diversity“. Doctoral thesis, 2009. http://hdl.handle.net/11858/00-1735-0000-0006-B679-6.
Der volle Inhalt der QuelleTylianakis, Jason. „Räumlich-zeitliche Auswirkungen der Landnuzung auf die Diversität von Bienen und Wespen“. Doctoral thesis, 2006. http://hdl.handle.net/11858/00-1735-0000-0006-ABB5-4.
Der volle Inhalt der QuelleStenchly, Kathrin. „Untersuchungen zu Spinnengemeinschaften in Kakaoagroforstsystemen in Indonesien: Diversität, Netzdichte und räumlich-zeitlicher Artenaustausch“. Doctoral thesis, 2010. http://hdl.handle.net/11858/00-1735-0000-0006-ADC7-E.
Der volle Inhalt der QuelleHolz, Ingo. „Diversity and Ecology of Bryophytes and Macrolichens in Primary and Secondary Montane Quercus Forests, Cordillera de Talamanca, Costa Rica“. Doctoral thesis, 2003. http://hdl.handle.net/11858/00-1735-0000-0006-B682-0.
Der volle Inhalt der QuelleNöske, Nicole. „Effekte anthropogener Störung auf die Diversität kryptogamischer Epiphyten (Flechten, Moose) in einem Bergregenwald in Südecuador“. Doctoral thesis, 2005. http://hdl.handle.net/11858/00-1735-0000-0006-B6EF-B.
Der volle Inhalt der QuelleUnger, Malte Arne. „Relationships between soil chemical properties and forest structure, productivity and floristic diversity along an altitudinal transect of moist tropical forest in Amazonia, Ecuador“. Doctoral thesis, 2010. http://hdl.handle.net/11858/00-1735-0000-0006-ADA3-B.
Der volle Inhalt der QuelleHondong, Hermann. „Inventuren als Informationsinstrumente der Naturschutzplanung“. Doctoral thesis, 2002. http://hdl.handle.net/11858/00-1735-0000-0006-B6BF-A.
Der volle Inhalt der QuelleVeddeler, Dorthe. „Bienen, Wespen und deren Parasitoide in traditionellen Kaffee-Agroforstsystemen: Lebensgemeinschaftsmuster und Ökosystemdienstleistungen“. Doctoral thesis, 2006. http://hdl.handle.net/11858/00-1735-0000-0006-AB78-E.
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