wyszukanych pozycji: 3
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Biogeography and Ecology of Southern Africa
ISBN: 9789061930839 / Angielski / Twarda / 1978 / 1444 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Southern Africa is certainly not a naturally bounded area so that there are several possibilities for delineating it and concepts about its extent. Wellington* discussed the various possibilities for delineation and suggested that one line stands out more clearly and definitely as a physical boundary than any other, namely the South Equatorial Divide, the watershed between the ZaIre, Cuanza and Rufiji Rivers on the one hand and the Z ambezi, Cunene and Rovuma Rivers on the other. This South Equatorial Divide is indeed a major line of separation for some organisms and is also applicable in a...
Southern Africa is certainly not a naturally bounded area so that there are several possibilities for delineating it and concepts about its extent. We...
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cena:
2017,53 |
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Eurasian Steppes. Ecological Problems and Livelihoods in a Changing World
ISBN: 9789400795792 / Angielski / Miękka / 2014 / 568 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the collapse, of communist states. Excessive ploughing and vast influx of people into the steppe zone led to a strong decline in nomadic pastoralism in the Soviet Union and China and in severely degraded steppe ecosystems. In Mongolia nomadic pastoralism persisted, but steppes degraded because of strongly increased livestock loads. After the Soviet collapse steppes regenerated on huge tracts of fallow land. Presently, new, restorative steppe land... Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the col... |
cena:
806,99 |
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Eurasian Steppes. Ecological Problems and Livelihoods in a Changing World
ISBN: 9789400738850 / Angielski / Twarda / 2012 / 568 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the collapse, of communist states. Excessive ploughing and vast influx of people into the steppe zone led to a strong decline in nomadic pastoralism in the Soviet Union and China and in severely degraded steppe ecosystems. In Mongolia nomadic pastoralism persisted, but steppes degraded because of strongly increased livestock loads. After the Soviet collapse steppes regenerated on huge tracts of fallow land. Presently, new, restorative steppe land... Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the col... |
cena:
806,99 |