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Monitoring Plant Functional Diversity Using the Reflectance and Echo from Space

Xuanlong Ma, Mirco Migliavacca, Christian Wirth, Friedrich J. Bohn, Andreas Huth, Ronny Richter, Miguel D. Mahecha
2020 Remote Sensing  
Only through a collaborative approach can we achieve the global plant functional diversity monitoring goal.  ...  Plant functional diversity (FD) is an important component of biodiversity.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs12081248 fatcat:kba6xmxnqnbyvfixqo7kgkzs2e

Statistical analysis of acoustic echoes from underwater meadows in the eutrophic Puck Bay (southern Baltic Sea)

J Tegowski
2003 Aquatic Living Resources  
In order to monitor the recovery of vegetation from pollution and the success of re-seeding efforts, acoustic echoes from the sea floor, covered and uncovered by underwater vegetation, were collected in  ...  Puck Bay (southern Baltic sea) using a 208 kHz Biosonics DT 4200 scientific echo sounder.  ...  Kruk-Dowgiałło and R. Opioła (Maritime Institute, Gdańsk) for the sampling and processing of biological data.  ... 
doi:10.1016/s0990-7440(03)00015-9 fatcat:37eexzwqqbd2xi3exhhhwi7coe

A Range of Earth Observation Techniques for Assessing Plant Diversity [chapter]

Angela Lausch, Marco Heurich, Paul Magdon, Duccio Rocchini, Karsten Schulz, Jan Bumberger, Doug J. King
2020 Remote Sensing of Plant Biodiversity  
At the same time, we truly appreciate the support that we received from the project "GEOEssential: Essential Variables workflows for resource efficiency and environmental management" Grant Agreement  ...  Acknowledgments We particularly thank the researchers for the Hyperspectral Equipment of the Helmholtz Centre for Environmental Research-UFZ and TERENO funded by the Helmholtz Association and the Federal  ...  The Rao's Q is calculated on a set of CSR score maps (derived from Schmidtlein et al. 2012) to estimate the diversity of functional-type probability in space (Rocchini et al. 2018a , see Fig. 13 .4  ... 
doi:10.1007/978-3-030-33157-3_13 fatcat:cv6qn6mnh5g4pbiddxx6chx5sy

The characteristics of high-dark-diversity habitats derived from lidar [article]

Jesper Erenskjold Moeslund, Kevin Kuhlmann Clausen, Lars Dalby, Camilla Floejgaard, Meelis Partel, Norbert Pfeifer, Markus Hollaus, Ane Kirstine Brunbjerg
2022 bioRxiv   pre-print
Here, we used a large plant dataset with > 40.000 plots combined with airborne laser scanning (lidar) data to reveal the local characteristics of habitats having a high plant dark diversity - i.e., absence  ...  We then used Integrated Nested Laplace Approximation for modelling plant dark diversity across 33 North European habitat types (open landscapes and forests) selected by the European communities to be important  ...  Jensen Nature Fund for financial support to JEM, CF, AKB, LD, and KC through the project "Dark Diversity in Nature Management".  ... 
doi:10.1101/2022.05.05.490326 fatcat:mekbk5cwajgmbl4uo7qfg65nki

Traits of litter‐dwelling forest arthropod predators and detritivores covary spatially with traits of their resources

Pierre‐Marc Brousseau, Dominique Gravel, I. Tanya Handa
2019 Ecology  
The functional trait approach proposes that relating traits of organisms within a community to variation in abiotic and biotic characteristics of their environment will provide insight on the mechanisms  ...  Resource Specialization Hypothesis (i.e., resource diversity increases niche availability for the consumers).  ...  diversity of plants and detritivores was better explained by the Resource Specialization Hypothesis in a soil grassland ecosystem.  ... 
doi:10.1002/ecy.2815 pmid:31287928 pmcid:PMC6852231 fatcat:5x3vgzknsbc75jfl7soeesvwny

The Laegeren Site: An Augmented Forest Laboratory [chapter]

Felix Morsdorf, Fabian D. Schneider, Carla Gullien, Daniel Kükenbrink, Reik Leiterer, Michael E. Schaepman
2020 Remote Sensing of Plant Biodiversity  
Computation of Functional Richness To showcase how the RTM-validated EO traits can be used for spatially explicit diversity assessments, we compute the functional richness within the 3-D trait space using  ...  Full-waveform features, namely, echo width and intensity, were extracted from the data using the software RiANALYZE and were assigned to the individual returns in the multiple-echo point cloud.  ... 
doi:10.1007/978-3-030-33157-3_4 fatcat:ldupmw74afeshgo3gj6zo2v67y

Radar monitoring of seasonal bird migration over central Israel

Leonid Dinevich, Yossi Leshem
2010 Ring  
Radar monitoring of seasonal bird migration over central Israel. Ring 32, 1-2: 31-53.  ...  The system and the results of the study have become an integral part of ensuring air safety for Israeli military aircraft.  ...  ACKNOWLEDGEMENTS The authors express their gratitude to the Department of Research of the Ministry of Defence of Israel and the Israeli Ministry of Immigrant Absorption for the financial support of the  ... 
doi:10.2478/v10050-010-0003-z fatcat:b3m4jzfclfg4fetwkjiagez2sa

Understanding Forest Health with Remote Sensing-Part II—A Review of Approaches and Data Models

Angela Lausch, Stefan Erasmi, Douglas King, Paul Magdon, Marco Heurich
2017 Remote Sensing  
from the local to the global scale.  ...  To monitor and understand the complexity of FH, its entities, drivers, functional mechanisms and impacts, it is imperative to develop effective standardized large scale long-term monitoring systems.  ...  Acknowledgments: We particularly thank the researchers for the Hyperspectral Equipment of the Helmholtz Centre for Environmental Research-UFZ and TERENO funded by the Helmholtz Association and the Federal  ... 
doi:10.3390/rs9020129 fatcat:zxyfarzipbaerejj4a3kmp3qca

Evaluation of alternative interpolation techniques for the mapping of remotely-sensed submersed vegetation abundance

Ray D. Valley, Melissa T. Drake, Charles S. Anderson
2005 Aquatic Botany  
We evaluated the relative accuracy and precision of digital biovolume maps produced by three interpolation methods (inverse distance weighted (IDW), kriging and spline) after using a non-parametric regression  ...  Map detail was lost when sampling effort was reduced from 10 m transect spacing to 20 or 40 m, although estimates of littoral-wide means did not change appreciably.  ...  Use of trade names does not imply endorsement of the product.  ... 
doi:10.1016/j.aquabot.2004.09.002 fatcat:qdbvqqwny5ah3cx2g7kekgmqkm

Revealing the Structure and Composition of the Restored Vegetation Cover in Semi-Arid Mine Dumps Based on LiDAR and Hyperspectral Images

Jiajia Tang, Jie Liang, Yongjun Yang, Shaoliang Zhang, Huping Hou, Xiaoxiao Zhu
2022 Remote Sensing  
Remotely sensed images with low resolution can be effectively used for the large-area monitoring of vegetation restoration, but are unsuitable for accurate small-area monitoring.  ...  This limits researchers' ability to study the composition of vegetation species and the biodiversity and ecosystem functions after ecological restoration.  ...  However, difficulties arise in vegetation monitoring due to complex objects, diverse indicators, and the need for covering large regions [4] .  ... 
doi:10.3390/rs14040978 fatcat:m4zuq7z445elxjn4domge4isoi

Individual tree-based vs pixel-based approaches to mapping forest functional traits and diversity by remote sensing [article]

Zhaoju Zheng, Yuan Zeng, Meredith C. Schuman, Hailan Jiang, Bernhard Schmid, Michael Schaepman, Felix Morsdorf
2022 bioRxiv   pre-print
Trait-based approaches, focusing on the functional characteristics of vascular plants in a community, have been increasingly used in plant ecology and biodiversity research.  ...  The consistency of ITC- and pixel-based functional richness measures also decreased with increasing pixel grain, and changed with the observed extent for functional diversity monitoring.  ...  The authors thank Zongqiang Xie, Wenting Xu, and Changming Zhao from the Shengnongjia Biodiversity  ... 
doi:10.1101/2022.07.10.499231 fatcat:mqgtabramzg6xgijndmkfdxuqi

Pattern and divergence of tree communities in Taipei's main urban green spaces

C.Y. Jim, Wendy Y. Chen
2008 Landscape and Urban Planning  
The findings could inform management of urban forest, urban nature conservation, and ecological services of urban green spaces.  ...  Significant recent increase in Taipei's green spaces was traced. The study area contained 164 tree species, but few were shared by the three landscape types and none by 30 communities.  ...  Acknowledgements We would like to thank the officers of the Parks Department of Taipei City Government for the generous and kind help in supplying information on green spaces and urban trees, including  ... 
doi:10.1016/j.landurbplan.2007.09.001 fatcat:yuufxnseqfgaringp5gd4zh6my

Civic ecology practices: Participatory approaches to generating and measuring ecosystem services in cities

Marianne E. Krasny, Alex Russ, Keith G. Tidball, Thomas Elmqvist
2014 Ecosystem Services  
In this paper, we draw on literature sources and our prior research in urban social-ecological systems to explore protocols for monitoring biodiversity, functional measures of ecosystem services, and ecosystem  ...  Examples include tree planting in post-Katrina New Orleans, oyster restoration in New York City, community gardening in Detroit, friends of parks groups in Seattle, and natural area restoration in Cape  ...  This work was partially supported by funds from the USDA National Institute of Farming and Agriculture and by fellowships to the second and third authors granted by the Community Environmental and Forestry  ... 
doi:10.1016/j.ecoser.2013.11.002 fatcat:ta7xahtl5vc45cbzwjdtt2gtle

Airborne and Spaceborne Lidar Reveal Trends and Patterns of Functional Diversity in a Semi-Arid Ecosystem

Nayani Ilangakoon, Nancy F. Glenn, Fabian D. Schneider, Hamid Dashti, Steven Hancock, Lucas Spaete, Tristan Goulden
2021 Frontiers in Remote Sensing  
We evaluated the spatial pattern of functional diversity as estimated from small footprint airborne lidar (ALS) with respect to abiotic controls and fire in a semi-arid ecosystem.  ...  gaps across space and time.  ...  ACKNOWLEDGMENTS The authors would like to thank the USDA Agricultural Research Service, Boise, Idaho, for field access and support, Alex Boehm (Biological Science Technician Plants, USDA, ARS), and Reynolds  ... 
doi:10.3389/frsen.2021.743320 fatcat:4z2iqmidjveufjeqnqxtrtmr6i

Development of a ground-based polarimetric broadband SAR system for noninvasive ground-truth validation in vegetation monitoring

Zheng-Shu Zhou, W.-M. Boerner, M. Sato
2004 IEEE Transactions on Geoscience and Remote Sensing  
There were stronger reflections in all of the HH, VH, VV images in the second (summer) measurement, especially in the VH image, due to the substantial growth of branches and leaves in summer.  ...  It can be operated in a frequency range from 50 MHz to 20 GHz, with a scanning aperture of 20 m in the horizontal and 1.5 m in the vertical direction.  ...  Matched-filter processing of a target echo signal can be thought of as a coherent summation of the reflected signal energy from each of the target's reflection points [26] .  ... 
doi:10.1109/tgrs.2004.832248 fatcat:yzr2pfzfevdo5kirswtediafmq
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