Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Beckschäfer P"'
Publikováno v:
iForest - Biogeosciences and Forestry, Vol 8, Iss 1, Pp 1-5 (2015)
Hemispherical canopy photography is a widely used technique to observe crown-related forest variables. However, standardization of this technique remains challenging, as exposure and threshold settings continue to constitute the main sources of varia
Externí odkaz:
https://doaj.org/article/33ce3ee52e8c48b28973899f6740430a
Publikováno v:
iForest - Biogeosciences and Forestry, Vol 7, Iss 1, Pp 1-11 (2014)
Canopy leaf area, frequently quantified by the Leaf Area Index (LAI), serves as the dominant control over primary production, energy exchange, transpiration, and other physiological attributes related to ecosystem processes. Maps depicting the spatia
Externí odkaz:
https://doaj.org/article/c600aca4eb5548a8906cab6d5ee7d8d7
Publikováno v:
iForest - Biogeosciences and Forestry, Vol 6, Iss 1, Pp 228-237 (2013)
At least 10 different methods to determine exposure for hemispherical photographs were used by scientists in the last two decades, severely hampering comparability among studies. Here, an overview of the applied methods is reported. For the standardi
Externí odkaz:
https://doaj.org/article/574d129da5e54dfbaccd77a0defc1958
Publikováno v:
ISPRS Open Journal of Photogrammetry and Remote Sensing, Vol 13, Iss , Pp 100071- (2024)
Forest diebacks pose a major threat to global ecosystems. Identifying and mapping both living and dead trees is crucial for understanding the causes and implementing effective management strategies. This study explores the efficacy of Mask R–CNN fo
Externí odkaz:
https://doaj.org/article/5f347033ac824ea59299b9d61fa4b427
Autor:
Wei-Guo Liu, Jia-Qi Zhang, Yan Yan, Philip Beckschäfer, Christoph Kleinn, Gbadamassi G.O. Dossa, Jian-Jun Huai, De-Li Zhai, Liang Song
Publikováno v:
Global Ecology and Conservation, Vol 43, Iss , Pp e02415- (2023)
Rubber (Hevea brasiliensis) has been introduced to Southeast Asia for over a century. In various regions throughout Southeast Asia, over the past two decades, natural tropical forests have rapidly been converted into rubber monoculture. To encourage
Externí odkaz:
https://doaj.org/article/221f3fe2799f4c6aac63f1f8bc2913aa
Autor:
Douglas Chesters, Philip Beckschäfer, Michael C. Orr, Sarah J. Adamowicz, Kwok‐Pan Chun, Chao‐Dong Zhu
Publikováno v:
Ecology and Evolution, Vol 9, Iss 24, Pp 13764-13775 (2019)
Abstract Aim We construct a framework for mapping pattern and drivers of insect diversity at the continental scale and use it to test whether and which environmental gradients drive insect beta diversity. Location Global; North and Central America; W
Externí odkaz:
https://doaj.org/article/f8b93ec4b9b54145b35f51f92102e916
Akademický článek
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Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Abstract Understanding and managing pollination service is hindered by taxonomic impediments and paucity of data, particularly in the tropics. Herein we apply integrative species delineation and taxonomy to test impacts of land use on the diversity o
Externí odkaz:
https://doaj.org/article/435a52ea45b34ef2b0c7197c9944edb3
Akademický článek
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Autor:
Huafang Chen, Zhuang-Fang Yi, Dietrich Schmidt-Vogt, Antje Ahrends, Philip Beckschäfer, Christoph Kleinn, Sailesh Ranjitkar, Jianchu Xu
Publikováno v:
PLoS ONE, Vol 11, Iss 2, p e0150062 (2016)
The rapidly growing car industry in China has led to an equally rapid expansion of monoculture rubber in many regions of South East Asia. Xishuangbanna, the second largest rubber planting area in China, located in the Indo-Burma biodiversity hotspot,
Externí odkaz:
https://doaj.org/article/09dcbe75e66e40319f59263b202245d4