Results 41 to 50 of about 1,178,025 (303)

Soil Inorganic Electron Acceptors and Carbon Substrates Hierarchically Govern Wetland Methanogenesis Temperature Response

Advanced Science, EarlyView.
ABSTRACT Wetlands constitute Earth's largest natural methane (CH4) source, yet projections of their climate feedback remain uncertain due to poorly constrained temperature sensitivity (Q10‐CH4) of microbial methanogenesis. While water table dynamics have been demonstrated to regulate wetland methanogenesis by altering key soil conditions such as ...
Shuying Qiu, Qingfang Jing, Xuhui Zhou, Xiaoxin Sun, Zhenyu Wei, Baizhi Jiang, Hongyang Chen   +6 more
wiley   +1 more source

Facultative and Obligate Trees in a Mesic Savanna: Fire Effects on Savanna Structure Imply Contrasting Strategies of Eco-Taxonomic Groups

Frontiers in Plant Science, 2018
Fire is a major determinant of savanna tree communities and, as such, manipulation of fire frequency is an important management tool. Resolving the effects of fire management on tree size class distributions can help managers predict and plan for short ...
Michelle E. Freeman, Michelle E. Freeman, Brett P. Murphy, Anna E. Richards, Peter A. Vesk, Garry D. Cook   +5 more
doaj   +1 more source

Land cover change alters seasonal photosynthetic activity and transpiration of Amazon forest and Cerrado

Environmental Research Letters, 2021
Tropical vegetation influences local, regional, and global climates, largely through its relationship with the atmosphere, including seasonal patterns of photosynthesis and transpiration.
Maria del Rosario Uribe, Jeffrey S Dukes
doaj   +1 more source

Population and Transcriptomic Changes of the Tropical Fish Parasite Caligus confusus (Copepoda: Caligidae) with Seasonal Variations in Sea Temperature

Fishes, 2023
Fish–parasite systems could be subject to two scenarios under climate change: (i) increased water temperature might enhance parasite metabolism, allowing the parasite to spread rapidly; (ii) parasitism could decrease if the optimal temperature for growth
Citlalic Altagracia Pimentel-Acosta, Víctor Hugo Caña-Bozada, Juan Manuel Osuna-Cabanillas, Emma Josefina Fajer-Ávila, Cesaré Ovando-Vásquez, Francisco Neptalí Morales-Serna   +5 more
doaj   +1 more source

Distribution and dynamics of a tropical waterfalls ecosystem [PDF]

Knowledge and Management of Aquatic Ecosystems, 2012
Waterfalls gives the impression of a lifeless zone because researchers have historically focused on the hydrology, ecotourism and geological features. Effective management will require an understanding of changes in species composition and distribution of macro-biota.
Offem B.O., Ikpi G.U.
openaire   +3 more sources

Iron‐Mediated Release of Aged Dissolved Organic Carbon From Waterlogged Peatland Under Warming

Advanced Science, EarlyView.
This study conducts a five‐year in situ warming experiment in high‐altitude peatlands to examine dissolved organic carbon (DOC) release. The study shows that warming promotes the release of plant‐derived modern DOC in drained peatlands, but amplifies aquatic export of century‐old DOC from waterlogged peatlands via Fe‐mediated DOC mobilization—a ...
Guohua Dai, Zhiying Yang, Zongguang Liu, Wanjia Hu, Lixiao Ma, Enze Kang, Wanqing Luo, Yunpeng Zhao, Chengzhu Liu, Juan Jia, Ting Liu, Chen He, Quan Shi, Jianliang Liu, Yongheng Gao, Huai Chen, Hailong Zhang, Meixun Zhao, Xiaojuan Feng   +18 more
wiley   +1 more source

When similarities matter more than differences: a reply to Wilson et al.

NeoBiota, 2016
In our recent Discussion paper, we presented our view that the only real distinction between biological invasions and natural colonisations is the human element.
Benjamin D. Hoffmann, Franck Courchamp
doaj   +3 more sources

A Global Methane Observation System to Reduce Uncertainty for Anthropogenic and Natural Sources and Sinks for Detecting and Attributing Climate Feedbacks

Advanced Science, EarlyView.
Conceptual illustration of a Global Ecosystem Methane Observing System (GEM‐OS) integrating satellites, aircraft, atmospheric networks, and ecosystem measurements to quantify methane emissions from anthropogenic and natural sources. The multi‐scale observing framework improves source attribution, reduces uncertainty in regional methane budgets, and ...
P. Ciais, S. Peng, J. Chang, F. Li, Q. Zhu, K. Yuan, G. Hugelius, H. Li, Y. Cai, F. Chevallier, K. Tibrewal, E. A. Kort, K. Arndt, J. Watts, B. Buma, N. Besic, P. I. Palmer, H. Cadillo‐Quiroz, E. Euskirchen, M. J. Gondwe, A. Hoyt, R. Jackson, S. Malone, D. Monteverde, S. Natali, M. Ramonet, C. Rey‐Sanchez, L. B. Sagang, E. A. G. Schuur, R. Vargas, R. Varner, Z. Zhang, B. Poulter   +32 more
wiley   +1 more source

Nitrogen and potassium limit fine root growth in a humid Afrotropical forest

Scientific Reports
Nutrient limitations play a key regulatory role in plant growth, thereby affecting ecosystem productivity and carbon uptake. Experimental observations identifying the most limiting nutrients are lacking, particularly in Afrotropical forests. We conducted
Raphael Manu, Edzo Veldkamp, David Eryenyu, Marife D. Corre, Oliver van Straaten   +4 more
doaj   +1 more source

Pollen, People and Place: Multidisciplinary Perspectives on Ecosystem Change at Amboseli, Kenya

Frontiers in Earth Science, 2018
This study presents a multidisciplinary perspective for understanding environmental change and emerging socio-ecological interactions across the Amboseli region of southwestern Kenya. We focus on late Holocene (<5,000 cal yr.
Esther N. Githumbi, Rebecca Kariuki, Anna Shoemaker, Colin J. Courtney-Mustaphi, Colin J. Courtney-Mustaphi, Maxmillian Chuhilla, Suzi Richer, Suzi Richer, Paul Lane, Paul Lane, Rob Marchant   +10 more
doaj   +1 more source