Results 11 to 20 of about 30,207 (265)

Modeling Institutions in Socio-Ecosystems [PDF]

open access: yesProceedings of the Thirtieth International Joint Conference on Artificial Intelligence, 2021
In socio-ecosystems, human activities are structured in time and space by interactions between different regulatory systems with different collective goals. These regulatory systems are modeled by institutions and organizations, and the regulatory mechanisms by norms applied to agents in Multi-Agent Systems (MAS).
Raharivelo, Sitraka Oliva   +1 more
openaire   +2 more sources

The empirical modeling of an ecosystem [PDF]

open access: yesEcological Modelling, 1978
Abstract The authors have endeavored to create a verified a-posteriori model of a planktonic ecosystem. Verification of an empirically derived set of first-order, quadratic differential equations proved elusive due to the sensitivity of the model system to changes in initial conditions. Efforts to verify a similarly derived set of linear differential
Ulanowicz, Robert E.   +3 more
openaire   +3 more sources

Hydrochemical characteristics of surface waters and their relationships to the Kashin–Beck Disease in Longzi County, Tibet

open access: yesScientific Reports, 2022
Although previous studies have been reported between the Kashin–Beck Disease (KBD) epidemic and the hydrochemical characteristics of surface waters, the etiology of the disease remains unclear.
Xinjie Zha   +3 more
doaj   +1 more source

Identifying Outliers of the MODIS Leaf Area Index Data by Including Temporal Patterns in Post-Processing

open access: yesRemote Sensing, 2023
The moderate resolution imaging spectroradiometer (MODIS) calculates the leaf area index (LAI) for each pixel without incorporating the temporal correlation information, leading to a higher sensitivity for the LAI that produces uncertainties in observed ...
Baibing Ma, Ming Xu
doaj   +1 more source

Responses of soil microbial communities and enzyme activities to nitrogen and phosphorus additions in Chinese fir plantations of subtropical China [PDF]

open access: yesBiogeosciences, 2015
Nitrogen (N) and phosphorus (P) additions to forest ecosystems are known to influence various above-ground properties, such as plant productivity and composition, and below-ground properties, such as soil nutrient cycling.
W. Y. Dong   +7 more
doaj   +1 more source

Modular Ecosystem Modeling

open access: yesEnvironmental Modelling & Software, 2004
The Library of Hydro-Ecological Modules (LHEM, http://giee.uvm.edu/LHEM) was designed to create flexible landscape model structures that can be easily modified and extended to suit the requirements of a variety of goals and case studies. The LHEM includes modules that simulate hydrologic processes, nutrient cycling, vegetation growth, decomposition ...
Alexey A. Voinov   +3 more
openaire   +3 more sources

Modelling an ecosystem: The example of agro-ecosystems

open access: yesEcological Modelling, 2011
Abstract Methods to predict ecosystem responses to changing environmental conditions, including options for mitigation and management, are vital for scientists and policy makers. We propose that modelling ecosystems by grouping species into trophic-functional types has great utility, because it is potentially generic and applicable to any ecosystem ...
Caron-Lormier, G.   +5 more
openaire   +1 more source

Depth diversity gradients of macrophytes: Shape, drivers, and recent shifts

open access: yesEcology and Evolution, 2021
Investigating diversity gradients helps to understand biodiversity drivers and threats. However, one diversity gradient is rarely assessed, namely how plant species distribute along the depth gradient of lakes.
Anne Lewerentz   +2 more
doaj   +1 more source

Incorporating Bioclimatic Zones into Informing Ecological Networks for Better Biodiversity Conservation

open access: yesRemote Sensing, 2023
Building ecological networks can effectively enhance the quality and stability of ecosystems and better conserve biodiversity. Previous studies mainly determined ecological corridors based on selecting ecological sources at a regional scale (e.g., an ...
Jiaquan Duan   +8 more
doaj   +1 more source

Changes in plant species richness distribution in Tibetan alpine grasslands under different precipitation scenarios

open access: yesGlobal Ecology and Conservation, 2020
Species richness is the core of biodiversity-ecosystem functioning (BEF) research. Nevertheless, it is difficult to accurately predict changes in plant species richness under different climate scenarios, especially in alpine biomes.
Meng Li   +5 more
doaj   +1 more source

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