Zobrazeno 1 - 10
of 293
pro vyhledávání: '"Leerstoelgroep Erosie en bodem- en waterconservering"'
Publikováno v:
Journal of Soil and Water Conservation. 57:158-163
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dris___00893::8881af5c43c75d95318df81616f6cbe0
Autor:
Woldeamlak Bewket
Publikováno v:
Mountain Research and Development 22 (2002)
Mountain Research and Development, 22, 263-269
Mountain Research and Development, 22, 263-269
This study evaluated changes in land cover in the Chemoga watershed, headwater to the Blue Nile. Two sets of aerial photographs (1957 and 1982) and a multispectral Spot image (1998) were used as inputs to produce 3 GIS-based land cover maps of the ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dd1592e7a3d2da90fbc5865707b220c
https://doi.org/10.1659/0276-4741(2002)022[0263:lcdsti]2.0.co
https://doi.org/10.1659/0276-4741(2002)022[0263:lcdsti]2.0.co
Publikováno v:
Economic Geography. 78(2):171-193
Population and environment debates regarding Africa, whether Malthusian or Boserupian in nature, focus on population levels as the driving force behind the relationship between environment and society. This article argues, instead, that how people ad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dris___00893::53c1e2924f1a8d704481d7e745d7ae44
Autor:
Valentina Mazzucato, David Niemeijer
Publikováno v:
Economic Geography, 78(2), 171-195. Clark University
Economic Geography, 2(78), 171-193. Taylor and Francis Ltd.
Mazzucato, V & Niemeijer, D 2002, ' Population Growth and the Environment in Africa: Local Informal Institutions, the Missing Link ', Economic Geography, vol. 78, no. 2, pp. 171-195 . https://doi.org/10.2307/4140786
Economic Geography 78 (2002) 2
Economic Geography, 78(2), 171-193
Economic Geography, 2(78), 171-193. Taylor and Francis Ltd.
Mazzucato, V & Niemeijer, D 2002, ' Population Growth and the Environment in Africa: Local Informal Institutions, the Missing Link ', Economic Geography, vol. 78, no. 2, pp. 171-195 . https://doi.org/10.2307/4140786
Economic Geography 78 (2002) 2
Economic Geography, 78(2), 171-193
Population and environment debates regarding Africa, whether Malthusian or Boserupian in nature, focus on population levels as the driving force behind the relationship between environment and society. This article argues, instead, that how people ad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7efee70c6c161dac73195daf5038172
https://hdl.handle.net/1871/44175
https://hdl.handle.net/1871/44175
Autor:
Mehretab Tesfai, Leo Stroosnijder
Publikováno v:
Agricultural Water Management, 48, 51-60
Agricultural Water Management 48 (2001)
Agricultural Water Management 48 (2001)
Eritrea’s coastal zone has been identified as an area of substantial development potential. About 14,000 ha of this 5 million ha area (i.e.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0ea2c8326a24f3c55eb00c8c28f1b1e
https://doi.org/10.1016/s0378-3774(00)00115-3
https://doi.org/10.1016/s0378-3774(00)00115-3
Publikováno v:
Ecology. 82:50-61
Hypotheses about the origin of vegetation pattern formation in semi-arid areas around the world almost all include a common feature of semi-arid areas: the presence of a positive feedback between plant density and water infiltration. We investigate w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dris___00893::95b8d85846d18cdde566f81804a0bf28
Autor:
Max Rietkerk, Herbert H. T. Prins, Reinier HilleRisLambers, Hans de Kroon, Frank van den Bosch
Publikováno v:
Ecology, 82, 1, pp. 50-61
Ecology 82 (2001)
Ecology, 82, 50-61
Scopus-Elsevier
Ecology, 82, 50. Ecological Society of America
Ecology 82 (2001)
Ecology, 82, 50-61
Scopus-Elsevier
Ecology, 82, 50. Ecological Society of America
Hypotheses about the origin of vegetation pattern formation in semi-arid areas around the world almost all include a common feature of semi-arid areas: the presence of a positive feedback between plant density and water infiltration. We investigate w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed7070dc143bd58d3a9ddca1c5825aab
https://doi.org/10.1890/0012-9658(2001)082[0050:vpfisa]2.0.co
https://doi.org/10.1890/0012-9658(2001)082[0050:vpfisa]2.0.co
Publikováno v:
Zeitschrift für Geomorphologie. 45:101-120
Atmospheric desert dust was collected over 36 months in ground-level collectors at four stations in the northern Negev desert, Israel. Three stations (Shivta, Sede Boqer and Avdat) are located in the desert itself whereas the fourth station (Sayeret
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dris___00893::e652a2b4bfa148db2dafd960be8b3bed
Autor:
Geert Sterk
Publikováno v:
Soil Science Society of America Journal, 64, 852-858
Soil Science Society of America Journal 64 (2000)
Soil Science Society of America Journal 64 (2000)
Mulching with flattened crop residues is widely used to protect soils from wind erosion. Several wind tunnel and field experiments have shown decreased protection of some soil covers with increasing wind speed. In some studies, sediment transport was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46bbdca93b53b4c45d185ff9f2f812af
https://doi.org/10.2136/sssaj2000.643852x
https://doi.org/10.2136/sssaj2000.643852x
Publikováno v:
Soil Science Society of America Journal. 64:852-858
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dris___00893::7e2cea046ce867f57e1eec89c42f6ced