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Topography and Three-Dimensional Structure Can Estimate Tree Diversity along a Tropical Elevational Gradient in Costa Rica
2018
Remote Sensing
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forest structure along an elevational gradient in Braulio Carrillo National Park, Costa Rica. ...
In 2016 we calculated tree species richness and diversity indices for twenty 1-ha plots located along a gradient ranging from 56 to 2814 m in elevation. ...
Modeling Diversity and Species Richness Lidar metrics of topography and three-dimensional structure can be used to predict tree diversity and species richness to a lesser extent along elevational gradients ...
doi:10.3390/rs10040629
fatcat:sa5pil5gl5hbhaggjwk3yxq76q
Remote sensing of floristic patterns in the lowland rain forest landscape
2008
Dissertationes Forestales
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The prediction methods included a k nearest neighbour method and linear discriminant analysis. The study areas were located in eastern Ecuador, in north-eastern Peru and northern Costa Rica. ...
Landsat TM or ETM+ -satellite images and the SRTM digital elevation model were used as a proxy of environmental variation. ...
The tropical tree species composition in Costa Rica has also been shown to correlate with topographic position, even when the effect of soil is removed (Clark et al. 1999) . ...
doi:10.14214/df.59
fatcat:6itfjs7abrhthekwfsfofcbapy
The silence of biogeography
2015
Journal of Biogeography
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Modern biogeography now encompasses an impressive diversity of patterns and phenomena of the geography of nature, providing insights fundamental to understanding the forces influencing the spatial and ...
However, rather than praise our discipline for its great breadth of visions, our purpose here is to point out our glaring oversight of a potentially transformative frontier in the geography of nature. ...
We thank Matthew Harris, Benjamin Gottesman and Jarrod Doucette for assistance in developing the images of ...
doi:10.1111/jbi.12525
fatcat:tthh5tgeczhczcxmav3rvu44dy
Explaining variation in tropical plant community composition: influence of environmental and spatial data quality
2007
Oecologia
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Of the environmental data types, soil chemistry contributed most to explaining pteridophyte community variation, followed in decreasing order of contribution by topography, soil type and forest structure ...
We addressed this question in Costa Rican rain forest pteridophytes (1,045 plots, 127 species). ...
B. and D. A. Clark), and NSERC (grant number OGP0007738 to P. Legendre). Inventories and specimen collection complied with Costa Rican law. Research permits were kindly granted by SINAC-MINAE. ...
doi:10.1007/s00442-007-0923-8
pmid:18064493
fatcat:7llyozouw5aihhgbay6wmfmcg4
Floristic composition across a climatic gradient in a neotropical lowland forest
2001
Journal of Vegetation Science
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The plots contain 824 species of trees with a diameter at breast height ≥ 10 cm and represent a regional flora with exceptional β-diversity. ...
The floristic composition of large trees in 54 forest plots was analysed with respect to environmental factors, including precipitation, geologic parent material, stand age, topography, and soils. ...
Somoza, and I. Tejada, and the Smithsonian Tropical Research Institute. C.R. ...
doi:10.2307/3237007
fatcat:ffqlsx2hnjablf7cgfg7zjh42m
Fungal growth on a common wood substrate across a tropical elevation gradient: Temperature sensitivity, community composition, and potential for above-ground decomposition
2010
Soil Biology and Biochemistry
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In this study, we evaluated factors affecting fungal growth on a common wood substrate along a wet tropical elevation gradient in the Peruvian Andes. ...
Fungal community composition also changed significantly along the elevation gradient, and Ascomycota were the dominant wood decomposers at all elevations. ...
Mellon Foundation and the National Geographic Society to N.F., and the Gordon and Betty Moore Foundation Andes to Amazon Project and a National Science Foundation grant to M.S. ...
doi:10.1016/j.soilbio.2010.03.005
fatcat:pn5ozyfjhzbo5dbtsx62kdw6hy
Biodiversity conservation in human-modified landscapes of Mesoamerica: Past, present and future
2010
Biological Conservation
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However, the small scale of private landholdings and the diversity of land uses featured in the region, while contributing to biodiversity conservation due to their structural and floristic complexity, ...
The long and narrow form of the Mesoamerican landmass, and its division by a central mountain range, has served as both a bridge and a barrier. ...
Barlow, and N. Sodhi for their leadership, critical comments, and support. ...
doi:10.1016/j.biocon.2010.03.026
fatcat:2pippyajbzgzznq4jeenhl3f3i
Diversity and niche differentiation of a mixed pine–oak forest in the Sierra Norte, Oaxaca, Mexico
2021
Ecosphere
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This study examined tree species diversity, distribution, and community differentiation patterns along an elevation gradient in pine–oak forest in the Sierra Norte mountains in Oaxaca, Mexico. ...
We identified three distinct tree vegetation types using multivariate ordination and cluster analyses and found that both tree distributions and community assemblages are primarily differentiated by elevation ...
Field methods We sampled tree species composition and stand structure across an elevation gradient divided into three zones of low (2300-2600 m asl), middle (2600-2900 m.a.s.l.), and high elevation (2900 ...
doi:10.1002/ecs2.3475
doaj:0646470208844d17832ed9bf1bb4476e
fatcat:jaervbufgbgtfdxeh3cwx5qtnq
Diversity and biogeography of vascular epiphytes in Western Amazonia, Yasuní, Ecuador
2004
Journal of Biogeography
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We studied the diversity, biogeography and floristic relationships of the epiphytic flora of the Yasuní region (Western Amazonia) in a Neotropical context, with special emphasis on the influence of the ...
Main conclusion Recent and historic patterns of rainfall are the driving forces behind diversity and floristic composition of vascular epiphytes in Western Amazonia: high annual rainfall in combination ...
We are grateful to Hugo Navarrete and Giovanni Onore (both Pontificia Universidad Cató lica del Ecuador, QCA), and David Neill (QCNE) for their kind help, practical support and the use of their facilities ...
doi:10.1111/j.1365-2699.2004.01083.x
fatcat:wpghr3keurendip3fvzluk54gm
Small-Scale Environmental Drivers of Plant Community Structure and Diversity in Neotropical Montane Cloud Forests Harboring Threatened Magnolia dealbata in Southern Mexico
2020
Diversity
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Particularly, we aimed to: (a) determine factors explaining major community gradients at different heterogeneity scales along a small-scale elevational gradient, (b) test the Decreasing and the Continuum ...
Sampling-truncation and conservation status also played a role in this. Our results do not support the Decreasing and Continuum hypotheses along elevation. ...
This lift was caused by the Oaxacan Fault and changed the climate of many regions of the state, increasing mountain moisture from trade winds (easterlies) and creating a rain shadow effect in the central ...
doi:10.3390/d12120444
fatcat:b5zvyyr3szbptnzyvpcyb5lryi
Patterns of orchid bee species diversity and turnover among forested plateaus of central Amazonia
2017
PLoS ONE
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There was a significant decrease in species richness with decreasing size of plateaus, and a significant decrease in the similarity in species composition with greater distance and climatic variation among ...
Tropical forests, especially the Amazon Rainforest, are well known for their high species richness and low similarity in species composition between sites, both at local and regional scales. ...
Acknowledgments Renzo Lanza, Emmanuel Almada and Matheus Freitas for help in field work. Terravision in a person of Allan Brandt, for the files with the shapes of the plateaus. ...
doi:10.1371/journal.pone.0175884
pmid:28410432
pmcid:PMC5391963
fatcat:ggnnq5o37bhspnikifrox7uoui
Estimating forest structure in a tropical forest using field measurements, a synthetic model and discrete return lidar data
2015
Remote Sensing of Environment
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and structure in the tropics. ...
In this paper we report the results comparing field data collected at La Selva, Costa Rica (10°26′ N, 83°5 9′ W) and forest structure and parameters calculated from vegetation height profiles and forest ...
Lidar data in this publication were provided by the Tropical Ecology Assessment and Monitoring (TEAM) Network, a collaboration between Conservation International, the Missouri Botanical Garden, the Smithsonian ...
doi:10.1016/j.rse.2015.01.020
fatcat:v5nvw2kofnhpnmyuhpusr74ghy
Soil-based habitat partitioning in understorey palms in lower montane tropical forests
2010
Journal of Biogeography
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Aim Dispersal assembly and niche assembly are two competing theories proposed to explain the maintenance of species diversity in tropical forests. ...
Species distribution patterns in tropical forests often correlate with geology and topography, but tests of the relative importance of dispersal and niche partitioning have been hampered by an inadequate ...
ACKNOWLEDGEMENTS We thank the Smithsonian Tropical Research Institute and Enel Fortuna for logistical support. ...
doi:10.1111/j.1365-2699.2009.02192.x
fatcat:uavz63pn5jbtrgjougvvfax5qu
Composition and ecology of vascular epiphyte communities along an altitudinal gradient in central Veracruz, Mexico
1995
Journal of Vegetation Science
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The biomass of all trees of each species > 10 cm diameter at breast height within plots between 625 and 1500 m 2 was estimated. ...
The number of epiphytic species and their biomass on a tree of a given site were closely related to tree size. ...
A. Soto Arenas, UNAM, Mexico, M. Palacios-Rios, Xalapa, and W. Till, Vienna, who helped to identify orchids, ferns, and bromeliads, respectively. L. Mucina, Vienna, G. ...
doi:10.2307/3236347
fatcat:o5q4rqkdnbc5xhcie3ibrv6j7i
Insect Herbivory in Tropical Forests
[chapter]
2004
Forest Canopies
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Acknowledgments The authors wish to thank the National Science Foundation (DEB-98 15 133), the Global Canopy Programme, and the Triad Foundation (Ithaca, Nelz York) for their generous support for field ...
With a gondola, scientists can reach almost any site in the three-dimensional forest space up to a height of 32 m. ...
A 12-year study of flowering for 173 tree species at La Selva Biological Station in Costa Rica concluded that tree phenology was highly diverse, irregular , and complex (Newstrom et al. 1994) . ...
doi:10.1016/b978-012457553-0/50024-1
fatcat:rumhl7az35ct7afdlrxm4vvbs4
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