Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ahmed A. H. Siddig"'
Publikováno v:
Ecosphere, Vol 7, Iss 11, Pp n/a-n/a (2016)
Abstract Disturbances such as outbreaks of herbivorous insects and pathogens can devastate unique habitats and directly reduce biodiversity. The foundation tree species Tsuga canadensis (eastern hemlock) is declining due to infestation by the nonnati
Externí odkaz:
https://doaj.org/article/b2a6492feb4a45508ed832c4584fb1db
Publikováno v:
Forests, Vol 10, Iss 2, p 154 (2019)
Long-term ecological research (LTER) and monitoring programs accrue invaluable ecological data that inform policy and improve decisions that enable adaptation to and mitigation of environmental changes. There is great interest in identifying ecologic
Externí odkaz:
https://doaj.org/article/ac1d132073564d0ba8928098dd1c8783
Publikováno v:
Fundamental and Applied Limnology. 194:1-9
Publikováno v:
Journal of Arid Land. 12:609-617
Savanna woodlands in Sudan host great biodiversity, provide a plethora of ecosystem goods and services to local communities, and sustain numerous ecological functions. Although the importance of the Acacia trees in these areas is well known, up-to-da
Autor:
Ahmed A. H. Siddig, Aaron M Ellison
Military coups (MCs) continue to occur in developing countries with alarming frequency; the current coup in Sudan being the most recent. Regardless of the arguments and rationales behind coups, there is a wide global consensus that coups pose devasta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7eae701007df5cc49b9e40f532610f10
https://africarxiv.org/u2p7h
https://africarxiv.org/u2p7h
Acacia senegal is a priority and important C3 tree species in drylands of Sudan and across the gum belt. Investigation of its seedlings response to elevated carbon dioxide (eCO2) is important as atmospheric ([CO2]) has increased and predicted to cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6746d22ede3f976ccfe8c22949d87c16
https://doi.org/10.1101/2021.09.14.460402
https://doi.org/10.1101/2021.09.14.460402
Autor:
Alison Ochs, Ahmed A. H. Siddig
Publikováno v:
Environments, Vol 4, Iss 1, p 8 (2017)
Hemlock forests of the northeastern United States are declining due to the invasive hemlock woolly adelgid (HWA) (Adelges tsugae). Hardwood species replace these forests, which affects soil properties that may influence other communities, such as red
Externí odkaz:
https://doaj.org/article/0381357d504641afb752a165f3f84f5c
Publikováno v:
Journal of Geoscience and Environment Protection. :37-58
The aim of this study is to investigate the impact of temperature trend on glacier-mass balance, snow density, snowmelt, snow depth and runoff by using observations of nine glacier stations that covered most of the China over the period of 1979-2013.
Autor:
Ahmed A. H. Siddig, Ameer Awad Mohammed, Hagir Mahagoub EL-Nasry, Abdelnasir Ibrahim Hano, Talaat Dafalla Abdel Magid
Publikováno v:
Global Biodiversity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a4ef84e9c5e1b507dd132da78d24e80
https://doi.org/10.1201/9780429469800-10
https://doi.org/10.1201/9780429469800-10
Publikováno v:
Ecological Indicators. 60:223-230
Indicator species (IS) are used to monitor environmental changes, assess the efficacy of management, and provide warning signals for impending ecological shifts. Though widely adopted in recent years by ecologists, conservation biologists, and enviro