Factors affecting steppe biodiversity in central part of the Anatolian diagonal and their use in conservation

Ambarlı, Didem
This study aims to find out major factors acting on steppe biodiversity of Inner Anatolia by focusing on one million hectares of mountainous land. Quantitative data on common plants, breeding birds and butterflies as well as environmental and land use data were collected at 33 sites determined by environmental stratification. Data has been analyzed with Spearman’s rank correlation, canonical correspondence analysis, detrended correspondence analysis, two-way indicator species analysis and hierarchical partitioning. Results show that elevation, current grazing intensity, distance to woodlands and arable lands are the main determinants of richness and diversity. Other important factors are soil Magnesium and organic matter for plants; local heterogeneity and shrub/tree density for birds; plant richness and mud-puddling sites or wind shelters attracting butterflies. Altitude and grazing intensity have negative effects on biodiversity whereas soil Magnesium and proximity to other vegetation types have positive effects. In sites with more than 90% herbaceous coverage, shrub/tree density is a good indicator for the richness patterns of all groups. The richest sites are low mountain shrubby steppes close to woodlands and arable lands, ploughed 30-100 years ago but then abandoned and experienced light or no grazing afterwards. Six major plant communities are distinguished by gypsum bedrock, altitude and years since land abandonment. Four main bird assemblages are differentiated with landscape and local heterogeneity and composition and wood density of the sites. Various factors act on richness and diversity patterns on steppes, differing for species groups and assemblages. Conservation actions should encompass conservation priority species, represent different species assemblages, consider all major factors mentioned above especially landscape and local heterogeneity including different seral stages and sustaining conservation through nature-friendly land use. Planning afforestation in the way not to destroy rich steppes and building awareness on steppes as a value are important conservation actions.


Economic, social and political participation of the youth in urban South-Eastern Anatolia
Özdemir, Caner; Ayata, Sencer; Beşpınar Akgüner, Fatma Umut; Department of Social Policy (2010)
This study aims to find out the patterns of economic, social and political participation of the youth in urban South-eastern Anatolia Region of Turkey. Analyses of the data reveal that youth in the South Eastern Anatolia Region does not and cannot participate in various dimensions of the society. Youth in South-eastern Anatolia cannot participate into the labour market. There are too limited job opportunities in the region. On the other hand, working young people are prone to low quality working conditions....
Soydan, Hilal; Düzgün, Hafize Şebnem; Özdemir, Okan Bilge (2015-07-31)
The aim of this study is to the evaluate land use and the land cover changes of an abandoned coal mine in Central Anatolia. The mining activity in the region was started at 1987 and after working for 18 years, all the rights of the mine was passed to an another company which after a while the came up with no coal production since its concession was cancelled on February 2008. Unfortunately, during the life of the mine, there were no mine closure and reclamation activities on the field. There was only a limi...
Influences of climate and nutrient enrichment on the multiple trophic levels of Turkish shallow lakes
Beklioğlu, Meryem; Levi, Eti E.; Erdogan, Seyda; Ozen, Arda; Filiz, Nur; Bezirci, Gizem; Cakiroglu, Ayse Idil; Tavsanoglu, U. Nihan; Gökçe, Didem; Demir, Nilsun; Ozulug, Mufit; Duran, Mustafa; Özkan, Korhan; Jeppesen, Erik (2020-04-01)
Climate warming threatens the structure and function of shallow lakes, not least those in the Mediterranean climate. We used a space-for-time substitution approach to assess the response of trophic and community structures as well as the richness and evenness of multiple trophic levels to temperature, hydrological, and nutrient constraints. We selected 41 lakes covering wide climatic, hydrological, and nutrient gradients within a short distance for reducing the effect of biogeographical factors in the weste...
Climate change impacts on lakes: an integrated ecological perspective based on a multi-faceted approach, with special focus on shallow lakes
Jeppesen, Erik; Meerhoff, Mariana; Davidson, Thomas A.; Trolle, Dennis; Sondergaard, Martin; Lauridsen, Torben L.; Beklioğlu, Meryem; Brucet, Sandra; Volta, Pietro; Gonzalez-Bergonzoni, Ivan; Nielsen, Anders (PAGEPress Publications, 2014-01-01)
Freshwater ecosystems and their biodiversity are presently seriously threatened by global development and population growth, leading to increases in nutrient inputs and intensification of eutrophication-induced problems in receiving fresh waters, particularly in lakes. Climate change constitutes another threat exacerbating the symptoms of eutrophication and species migration and loss. Unequivocal evidence of climate change impacts is still highly fragmented despite the intensive research, in part due to the...
Sustainable development and management of an aquifer system in western Turkey
SAKIYAN, J; Yazıcıgil, Hasan (2004-02-01)
This study presents the establishment of sustainable development and management policies for the Kucuk Menderes River Basin aquifer system in western Turkey. Geological, hydrogeological, and geophysical data are used conjunctively to define various hydrogeological units and their geometry. Distributions of hydraulic-parameter values and recharge are estimated by geostatistical methods and hydrologic simulations, respectively. A finite-difference groundwater flow model is used to represent the unconfined flo...
Citation Formats
D. Ambarlı, “Factors affecting steppe biodiversity in central part of the Anatolian diagonal and their use in conservation,” Ph.D. - Doctoral Program, Middle East Technical University, 2012.