Showing 421 - 440 results of 3,477 for search '"Ecosystem"', query time: 0.05s Refine Results
  1. 421
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    Numerical Simulation of Surface Energy and Water Balances over a Semiarid Grassland Ecosystem in the West African Savanna by Emmanuel Quansah, Genki Katata, Matthias Mauder, Thompson Annor, Leonard K. Amekudzi, Jan Bliefernicht, Dominikus Heinzeller, Ahmed A. Balogun, Harald Kunstmann

    Published 2017-01-01
    “…To understand surface energy exchange processes over the semiarid regions in West Africa, numerical simulations of surface energy and water balances were carried out using a one-dimensional multilayer atmosphere-SOil-VEGetation (SOLVEG) model for selected days of the dry and rainy seasons over a savanna grassland ecosystem in Sumbrungu in the Upper East region of Ghana. …”
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  3. 423

    The role of OCO-3 XCO<sub>2</sub> retrievals in estimating global terrestrial net ecosystem exchanges by X. Wang, F. Jiang, F. Jiang, F. Jiang, H. Wang, Z. Zhang, M. Wu, J. Wang, W. He, W. Ju, W. Ju, J. M. Chen, J. M. Chen

    Published 2025-01-01
    “…<p>Satellite-based column-averaged dry-air CO<span class="inline-formula"><sub>2</sub></span> mole fraction (XCO<span class="inline-formula"><sub>2</sub></span>) retrievals are frequently used to improve the estimates of terrestrial net ecosystem exchanges (NEEs). The Orbiting Carbon Observatory 3 (OCO-3) satellite, launched in May 2019, was designed to address important questions about the distribution of carbon fluxes on Earth, but its role in estimating global terrestrial NEE remains unclear. …”
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  4. 424
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    Research on the Coordination Mechanism of Value Cocreation of Innovation Ecosystems: Evidence from a Chinese Artificial Intelligence Enterprise by Yu Chen, Yantai Chen, Yanlin Guo, Yanfei Xu

    Published 2021-01-01
    “…These six factors have a profound impact on value cocreation in the ecosystem. Through the case study of iFLYTEK, it is concluded that innovation ecosystems can enable small- and medium-sized AI enterprises to grow. …”
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  6. 426

    Symbiosis Evolution of Science Communication Ecosystem Based on Social Media: A Lotka–Volterra Model-Based Simulation by Ming Xia, Xiangwu He, Yubin Zhou

    Published 2021-01-01
    “…The main contribution of this study is to construct a symbiosis evolution model of science communication ecosystem (SCE) between scientists and social media platforms based on the symbiosis theory and the Lotka–Volterra model to discuss the evolution of their symbiotic patterns and population size under different symbiosis coefficients. …”
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  7. 427

    Systematic underestimation of type-specific ecosystem process variability in the Community Land Model v5 over Europe by C. Poppe Terán, C. Poppe Terán, C. Poppe Terán, B. S. Naz, B. S. Naz, H. Vereecken, H. Vereecken, R. Baatz, R. A. Fisher, H.-J. Hendricks Franssen, H.-J. Hendricks Franssen

    Published 2025-01-01
    “…Land surface models such as the Community Land Model v5 (CLM5) quantify these fluxes, estimate the state of carbon budgets and water resources, and contribute to a better understanding of climate change's impact on ecosystems. Past studies have shown the ability of CLM5 to model ET and GPP magnitudes well but emphasized systematic underestimations and lower variability than in the observations.…”
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  8. 428
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    Trend in Ambient Ozone and an Attempt to Detect Its Effect on Biota in Forest Ecosystem. Step I of Lithuanian Studies by Algirdas Augustaitis, Ingrida Augustaitiene, Almantas Kliucius, Gintautas Mozgeris, Gintaras Pivoras, Rasele Girgzdiene, Kestutis Arbaciauskas, Irena Eitminaviciute, Reda Mazeikyte

    Published 2007-01-01
    “…The presented study aimed to explore the relationships between ambient ozone (O3) and tree defoliation, specific diversity, and abundance of soil microarthropods, stream macroinvertebrates, and small mammals (mainly rodents) in order to test the hypothesis that changes in the considered objects of the forest ecosystem could be related to changes in ambient O3, concentration of which is below critical level. …”
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  10. 430

    Experimental approach on the contribution of wind and animal vectors in the dispersal and colonization of testate amoebae (Protista, Amoebozoa) in freshwater ecosystems by Matheus Henrique de Oliveira de Matos, Felipe Rafael de Oliveira, Fernando Miranda Lansac-Tôha, Melissa Progênio, Bianca Ramos de Meira, Loiani Oliveira Santana, Crislaine Cochak, Luiz Felipe Machado Velho

    Published 2025-02-01
    “…Abstract: Aim We aimed to understand how testaceous amoebae spread in new sites, assessing their dispersal potential by wind and animals in freshwater ecosystems. Methods We conducted a field experiment over 33 days between July and August 2018. …”
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  11. 431

    Analyzing cellulolytic bacteria diversity in mangrove ecosystem soil using 16 svedberg ribosomal ribonucleic acid gene by I. Dewiyanti, D. Darmawi, Z.A. Muchlisin, T.Z. Helmi

    Published 2024-01-01
    “…BACKGROUND AND OBJECTIVES: Soil is an essential abiotic component serving as a habitat for numerous organisms, including cellulolytic bacteria commonly found in mangrove ecosystems. This bacteria could produce active enzymes needed to improve environmental quality by accelerating the organic matter decomposition. …”
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    The Trade-Offs and Constraints of Watershed Ecosystem Services: A Case Study of the West Liao River Basin in China by Ran Lyu, Meng Yuan, Xiao Fu, Mingfang Tang, Laiye Qu, Zheng Yin, Gang Wu

    Published 2025-01-01
    “…Clarifying the spatiotemporal trade-offs between the supply and demand of ecosystem services is critical for regional ecological security and sustainable development. …”
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  17. 437

    Models to Assess the Effects of Nonsmooth Control and Stochastic Perturbation on Pest Control: A Pest-Natural-Enemy Ecosystem by Xuewen Tan, Wenjie Qin, Guangyao Tang, Changcheng Xiang, Xinzhi Liu

    Published 2019-01-01
    “…Firstly, a fixed-time impulsive stochastic ecosystem with IPM strategy is proposed, where the local and global existence of positive solution and the boundedness of expectation are discussed in detail. …”
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  18. 438

    Evaluating Ecological and Economic Benefits of a Low-Carbon Industrial Park Based on Millennium Ecosystem Assessment Framework by Bin Chen, Guoxuan He, Jin Yang, Jieru Zhang, Meirong Su, Jing Qi

    Published 2012-01-01
    “…The Millennium Ecosystem Assessment (MA) framework was modified with a special focus on ecosystem service values. …”
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  19. 439

    Spatiotemporal Heterogeneity and Driving Force Analysis of Innovation Output in the Yangtze River Economic Zone: The Perspective of Innovation Ecosystem by Ke Liu, Yurong Qiao, Qian Zhou

    Published 2021-01-01
    “…The analysis of local spatial correlation indicates that spatial distribution pattern of innovation output has not changed significantly. (3) There is obvious regional heterogeneity under different impacts of factors of innovation ecosystem on innovation output. Enterprises have the greatest impact, followed by financial resources and infrastructure environment.…”
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