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Land-cover change alters stand structure, species diversity, leaf functional traits, and soil conditions in Cambodian tropical forests

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Názov: Land-cover change alters stand structure, species diversity, leaf functional traits, and soil conditions in Cambodian tropical forests
Autori: Sovann, Chansopheaktra, Tagesson, Torbern, Vestin, Patrik, Sakhoeun, Sakada, Kim, Soben, Kok, Sothea, Olin, Stefan
Prispievatelia: Lund University, Faculty of Science, Dept of Physical Geography and Ecosystem Science, Lunds universitet, Naturvetenskapliga fakulteten, Institutionen för naturgeografi och ekosystemvetenskap, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), BECC: Biodiversity and Ecosystem services in a Changing Climate, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), BECC: Biodiversity and Ecosystem services in a Changing Climate, Originator, Lund University, Profile areas and other strong research environments, Lund University Profile areas, LU Profile Area: Nature-based future solutions, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Lunds universitets profilområden, LU profilområde: Naturbaserade framtidslösningar, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), eSSENCE: The e-Science Collaboration, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), eSSENCE: The e-Science Collaboration, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), MERGE: ModElling the Regional and Global Earth system, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), MERGE: ModElling the Regional and Global Earth system, Originator
Zdroj: Biogeosciences. 22(18):4649-4677
Predmety: Natural Sciences, Earth and Related Environmental Sciences, Physical Geography, Naturvetenskap, Geovetenskap och relaterad miljövetenskap, Naturgeografi, Engineering and Technology, Environmental Engineering, Earth Observation, Teknik, Naturresursteknik, Jordobservationsteknik, Agricultural and Veterinary sciences, Other Agricultural Sciences, Environmental Sciences and Nature Conservation (including Biodiversity), Lantbruksvetenskap och veterinärmedicin, Annan lantbruksvetenskap, Miljö- och naturvårdsvetenskap (Här ingår: Biodiversitet)
Popis: Given the severe land-use and land-cover change pressure on tropical forests and the high demand for field observations of ecosystem characteristics, it is crucial to collect such data both in pristine tropical forests and in the converted deforested land-cover classes. To gain insight into the ecosystem characteristics of pristine tropical forests (EFs), regrowth forests (RFs), and cashew plantations (CPs), we established an ecosystem monitoring site in Phnom Kulen National Park, Cambodia. Here, we present the first observed datasets at this site of forest inventories, leaf area index (LAI), leaf traits of woody species, a fraction of intercepted photosynthetically active radiation (fPAR), and soil and meteorological conditions. Using these data, we aimed to assess how land-cover change affects stand structure, species diversity, leaf functional traits, and soil conditions among the three land-cover classes and to evaluate the feasibility of locally calibrated diameters at breast height (DBHs) and tree height (H) allometries for improving aboveground biomass (AGB) estimation. We found significant differences in these ecosystem characteristics, caused by the anthropogenic land-cover conversion, which underlines land-cover change's profound impact on stand structure, species diversity, leaf functional traits, and soil conditions in these tropical forest regions. Our results further demonstrated the feasibility of locally updating aboveground biomass estimates using power-law functions based on relationships between DBH and H. These datasets and findings can contribute to enriching tropical forest research databanks and supporting sustainable forest management.
Prístupová URL adresa: https://doi.org/10.5194/bg-22-4649-2025
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  Data: Land-cover change alters stand structure, species diversity, leaf functional traits, and soil conditions in Cambodian tropical forests
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  Data: Given the severe land-use and land-cover change pressure on tropical forests and the high demand for field observations of ecosystem characteristics, it is crucial to collect such data both in pristine tropical forests and in the converted deforested land-cover classes. To gain insight into the ecosystem characteristics of pristine tropical forests (EFs), regrowth forests (RFs), and cashew plantations (CPs), we established an ecosystem monitoring site in Phnom Kulen National Park, Cambodia. Here, we present the first observed datasets at this site of forest inventories, leaf area index (LAI), leaf traits of woody species, a fraction of intercepted photosynthetically active radiation (fPAR), and soil and meteorological conditions. Using these data, we aimed to assess how land-cover change affects stand structure, species diversity, leaf functional traits, and soil conditions among the three land-cover classes and to evaluate the feasibility of locally calibrated diameters at breast height (DBHs) and tree height (H) allometries for improving aboveground biomass (AGB) estimation. We found significant differences in these ecosystem characteristics, caused by the anthropogenic land-cover conversion, which underlines land-cover change's profound impact on stand structure, species diversity, leaf functional traits, and soil conditions in these tropical forest regions. Our results further demonstrated the feasibility of locally updating aboveground biomass estimates using power-law functions based on relationships between DBH and H. These datasets and findings can contribute to enriching tropical forest research databanks and supporting sustainable forest management.
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