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Topography and Three-Dimensional Structure Can Estimate Tree Diversity along a Tropical Elevational Gradient in Costa Rica

Chelsea Robinson, Sassan Saatchi, David Clark, Johanna Hurtado Astaiza, Anna Hubel, Thomas Gillespie
2018 Remote Sensing  
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

Sirpa Thessler
2008 Dissertationes Forestales  
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

Mark V. Lomolino, Bryan C. Pijanowski, Amandine Gasc
2015 Journal of Biogeography  
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

Mirkka M. Jones, Hanna Tuomisto, Daniel Borcard, Pierre Legendre, David B. Clark, Paulo C. Olivas
2007 Oecologia  
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

Christopher R. Pyke, Richard Condit, Salomón Aguilar, Suzanne Lao
2001 Journal of Vegetation Science  
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

Courtney L. Meier, Josh Rapp, Robert M. Bowers, Miles Silman, Noah Fierer
2010 Soil Biology and Biochemistry  
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

Fabrice A.J. DeClerck, Robin Chazdon, Karen D. Holl, Jeffrey C. Milder, Bryan Finegan, Alejandra Martinez-Salinas, Pablo Imbach, Lindsay Canet, Zayra Ramos
2010 Biological Conservation  
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

Meredith P. Martin, Charles M. Peters, Heidi Asbjornsen, Mark S. Ashton
2021 Ecosphere  
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

Holger Kreft, Nils Köster, Wolfgang Küper, Jürgen Nieder, Wilhelm Barthlott
2004 Journal of Biogeography  
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

Reyna Domínguez-Yescas, José Antonio Vázquez-García, Miguel Ángel Muñiz-Castro, Gerardo Hernández-Vera, Eduardo Salcedo-Pérez, Ciro Rodríguez-Pérez, Sergio Ignacio Gallardo-Yobal
2020 Diversity  
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

Yasmine Antonini, Carolina de Barros Machado, Pedro Manoel Galetti, Marcio Oliveira, Rodolfo Dirzo, Geraldo Wilson Fernandes, Fabio S. Nascimento
2017 PLoS ONE  
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

Michael W. Palace, Franklin B. Sullivan, Mark J. Ducey, Robert N. Treuhaft, Christina Herrick, Julia Z. Shimbo, Jonas Mota-E-Silva
2015 Remote Sensing of Environment  
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

Kelly M. Andersen, Benjamin L. Turner, James W. Dalling
2010 Journal of Biogeography  
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

Peter Hietz, Ursula Hietz-Seifert
1995 Journal of Vegetation Science  
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]

H. Bruce Rinker, Margaret D. Lowman
2004 Forest Canopies  
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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