Temat: abiotic components - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Temporal changes of land cover in relation to chosen environmental variables in different types of landscapes
Autorzy:: Zachwatowicz, Maria
Giętkowski, Tomasz
Wydawca:: Uniwersytet Warszawski
Cytata wydawnicza:: Zachwatowicz M., Giętkowski T., 2010, Temporal changes of land cover in relation to chosen environmental variables in different types of landscapes, Miscellanea Geographica, vol. 14/2010, pp. 33-45
Opis:: Good understanding of relations between historical land cover changes and accompanying environmental components should be a starting point for landscape modeling and forecasting its future patterns. Analysis presented here focuses on the relationships between chosen environmental conditions and agricultural land cover changes in the period of over 150 years. The study area consisted of fragments of Nidziańska Basin and South Pomeranian Lake District macroregions. The land cover data was derived from a number of archival and contemporary topographical maps. Long-term changes of land cover were then related to underlying landscape elements (geological deposits and morphometric landforms). With the help of canonical analysis major correlations were identifi ed and described.
Tomasz Giętkowski
Dostawca treści:: Repozytorium Centrum Otwartej Nauki

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Skocz do pozycji: 2.

Tytuł:: Temporal changes of land cover in relation to chosen environmental variables in different types of landscape
Autorzy:: Zachwatowicz, Maria
Giętkowski, Tomasz
Tematy:: Land cover changes
redundancy analysis (RDA)
abiotic components; Pokaż więcej
Wydawca:: Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Powiązania:: https://bibliotekanauki.pl/articles/2034156.pdf Link otwiera się w nowym oknie
Opis:: Good understanding of relations between historical land cover changes and accompanying environmental components should be a starting point for landscape modelling and forecasting its future patterns. Analysis presented here focuses on the relationships between chosen environmental conditions and agricultural land cover changes in the period of over 150 years. The study area consisted of fragments of Nidziańska Basin and South Pomeranian Lake District macroregions. The land cover data was derived from a number of archival and contemporary topographical maps. Long-term changes of land cover were then related to underlying landscape elements (geological deposits and morphometric landforms). With the help of canonical analysis major correlations were identified and described.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Aphids under stress. Species groups and ecological functional groups of aphids define heavy metal grasslands of Central Europe
Autorzy:: Osiadacz, Barbara
Hałaj, Roman
Wydawca:: CRA-research Centre Agrobiology & Pedology
Opis:: Interest in trace metals and the environmental effects of their deposition significantly increased recently. Ecological communities formed on soils with a high concentration of heavy metals are characterised by a particular composition of plants and invertebrates in response to unfavourable physical and chemical conditions and under a strong selective pressure. Calaminarian grasslands as well as other dry grasslands are fragile habitats, very rare in Central Europe; such areas are often protected within nature reserves. This paper is the first comprehensive study of aphids (Insecta: Hemiptera: Aphidomorpha) of the metalliferous areas in Central Europe. It helped to describe the species diversity of aphid communities related to the plants of heavy metal grasslands, define the level of relationships between aphids and plants of heavy metal habitats and determine diagnostic aphid species for assemblages forming in such post-industrial landscapes. On the basis of ecological groups determined for aphids, also the number and percent of the species which form them and their ratios structure aphid communities and their condition was defined. An elevated heavy metal content in the soil does not limit the species richness of such an aphid community in comparison with those of other dry grasslands. However, these aphid communities possess specific features resulting from the mixture of species arriving from dry calcareous and sandy grasslands. The concept of ecological functional groups for analysis of aphid communities is introduced. Such an approach is useful for describing aphid communities in time and the directions of their changes, thus helping to monitor successive changes and the habitat state.
Barbara Osiadacz
Dostawca treści:: Repozytorium Centrum Otwartej Nauki

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