Zobrazeno 1 - 10
of 353
pro vyhledávání: '"Jan, Nyssen"'
Autor:
Hailemariam Meaza, Biadgilgn Demissie, Yemane Kahsay Berhe, Misgina Gebrehiwot, Jan Nyssen, Mitiku Haile, Amleset Gebreegzabher, Abbadi Girmay
Publikováno v:
Discover Environment, Vol 2, Iss 1, Pp 1-17 (2024)
Abstract Prickly pear (Opuntia ficus-indica) is a multipurpose plant in drylands. The objective of this study was to synthesize the livelihood benefits, survival threats and management of cactus pear in Tigray (Ethiopia). Metadata were generated from
Externí odkaz:
https://doaj.org/article/23ed89e2f90e49628a1419829241d781
Autor:
Ferehiwot Mequanint, Alemayehu Wassie, Shimeles Aynalem, Enyew Adgo, Jan Nyssen, Amaury Frankl, Bart Muys, Hans Matheve, Joachim Pintens, Luc Lens, Diederik Strubbe
Publikováno v:
Global Ecology and Conservation, Vol 54, Iss , Pp e03165- (2024)
Birds are vital bioindicators of biodiversity and ecosystem health, but their persistence and ecological roles are under severe threat from human activities in the Lake Tana Basin, Ethiopia. Rapid land and forest degradation driven by agricultural ex
Externí odkaz:
https://doaj.org/article/204607b3a02142a4aa231b609abede47
Autor:
Jan Nyssen, Biadgilgn Demissie
Publikováno v:
Cogent Social Sciences, Vol 10, Iss 1 (2024)
Externí odkaz:
https://doaj.org/article/405e80c672b14d85b3d1ac790d734f20
Publikováno v:
Science of Remote Sensing, Vol 9, Iss , Pp 100133- (2024)
The war in Tigray, Ethiopia has triggered a massive humanitarian crisis, displacing millions. Yet, the impact on cultivated land and local food production remains poorly understood, impeding effective aid. Leveraging Sentinel-2 satellite imagery and
Externí odkaz:
https://doaj.org/article/855cb05af5d243f596e9f45ffe4a37b4
Autor:
Henrike Schulte to Bühne, Eoghan Darbyshire, Teklehaymanot G. Weldemichel, Jan Nyssen, Doug Weir
Publikováno v:
Ecology and Society, Vol 29, Iss 3, p 20 (2024)
Armed conflicts can lead to environmental degradation, thereby threatening the basis of people’s livelihoods and well-being. Identifying areas where conflicts drive environmental degradation is important for designing effective recovery strategies,
Externí odkaz:
https://doaj.org/article/7f5d253dc9354d99a58a8cc8cdaeda25
Autor:
Emnet Negash, Emiru Birhane, Aster Gebrekirstos, Mewcha Amha Gebremedhin, Sofie Annys, Meley Mekonen Rannestad, Daniel Hagos Berhe, Amare Sisay, Tewodros Alemayehu, Tsegai Berhane, Belay Manjur Gebru, Negasi Solomon, Jan Nyssen
Publikováno v:
Science of Remote Sensing, Vol 8, Iss , Pp 100108- (2023)
In recent years, armed conflicts are globally on the rise, causing drastic human and environmental harm. The Tigray war in Ethiopia is one of the recent violent conflicts that has abruptly reversed decades of ecosystem restoration efforts. This paper
Externí odkaz:
https://doaj.org/article/dc189535b03041d4ab15790837f3b294
Autor:
Jan Nyssen, Biadgilgn Demissie
Publikováno v:
Journal of Maps, Vol 19, Iss 1 (2023)
ABSTRACTThe geographical configuration of northwest Ethiopia has changed often and significantly during the previous four centuries, according to a meta-analysis of historical maps. Boundary lines of languages in use and of territorial control were r
Externí odkaz:
https://doaj.org/article/e5373557e1084ab58cba8de7738a4aab
Autor:
Mekonnen Getahun Sisay, Enyew Adgo Tsegaye, Alemayehu Regassa Tolossa, Jan Nyssen, Amaury Frankl, Eric Van Ranst, Stefaan Dondeyne
Publikováno v:
Soil Systems, Vol 8, Iss 2, p 38 (2024)
The soils of the high-elevation mountains along the East African Rift Valley are poorly understood. Assessing the potential of soils for agriculture, climate change mitigation, and environmental functioning requires insight into how they relate to th
Externí odkaz:
https://doaj.org/article/88e0f116224b49099c79b70f8a6655b6
Autor:
Gebeyehu Taye, Matthias Vanmaercke, Bas van Wesemael, Samuale Tesfaye, Daniel Teka, Jan Nyssen, Jozef Deckers, Jean Poesen
Publikováno v:
Scientific African, Vol 20, Iss , Pp e01620- (2023)
Planning and management of water resources is crucial to enhance agricultural productivity and ensure food security in drylands. For this, adaptable and reliable runoff prediction models are urgently needed to support water harvesting and irrigation
Externí odkaz:
https://doaj.org/article/692c0992f82c48da870d5fe4bb4e4a78
Autor:
Jan Nyssen, Martijn Debever, Gezahegne Gebremeskel, Bart DeWit, Kiros Meles Hadgu, Steven DeVriese, Jeffrey Verbeurgt, Amaury Frankl, Tulu Besha, Jan Kropáček, Astrid Forceville, Biadgilgn Demissie
Publikováno v:
Geoscience Data Journal, Vol 9, Iss 1, Pp 3-36 (2022)
Abstract The archive of aerial photographs, dating 1935–1941 and covering parts of north and central of Ethiopia, is one of the few archives with pre‐1960 remotely sensed data in Africa. It allows adding 30 years of time depth for geographical st
Externí odkaz:
https://doaj.org/article/981493b9781541a384967bf45d00c193