SPATIAL ECOLOGY & CONSERVATION (SPEC) LAB
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MESURING BIODIVERSITY IN LAPA RIOS ECOLODGE, COSTA RICA.

8/8/2017

1 Comment

 
The story of the Natural Preserve cannot begin without mentioning Karen and John, owners of Lapa Rios Ecolodge. It was back in 1990 when they fell in love and purchase 1000 acres of rainforest with the idea of conservation and community development in mind. Back then, the Osa Peninsula and particularly the areas adjacent to the road were under significant anthropogenic pressures; logging, agriculture and goldmining activities had transformed the land and forest cover was significantly reduced. Through the years, Lapa Rios Ecolodge has carried out an important restoration effort and many of the areas once covered by pasture land have become secondary forest linking clusters and providing vital connectivity with primary forests. These increase in forest cover and connectivity would had undoubtedly resulted in increased biodiversity, particularly in restored areas, and thus the differences between primary and secondary forests would be only related to factors such as species requirements or mobility and that is exactly what I set myself to prove this summer. In order to assess biodiversity differences within the LR Preserve, I have carried out filed surveys using automated systems such as camera traps to evaluate terrestrial mammals (i.e. key predators and their prey) and audio recording systems such as sonic equipment for birds and amphibians and ultrasonic to record bat calls.

It can´t be denied that tropical field work is challenging, adverse climatological conditions, health and safety considerations, human greed “borrowing” some of my equipment, the unstoppable force of nature, animals nesting and using parts of the equipment for their own advantage, but it is all part of the challenge and surely I did not have a bored moment in the field. During these months, 16 species of bats have been identified around LR with Saccopteryx bilineata and Myotis nigricans being the most detected species and an excess of 500 hours of sonic and ultrasonic audio have also been recorded from the different forest ecosystems and are now ready to be analysed. In addition, more than 7000 camera trap pictures have been collected including 4 out of the 5 species of Felines comprised the Peninsula, two species of peccaries, tayras, racoons, armadillos, anteaters, and many, many, many agouties, not camera shy with hundreds of pictures featuring this amazing rodent and its foraging behaviour. A Jaguar and White-lipped peccaries were only detected in primary forests, in contrast a Margay, certainly an elusive cat due to its arboreal requirements, was captured in a secondary forest very close to the road.

A small canopy pilot study has been also carried out in collaboration with primatologist Dr. Kim Dingess working with Danta: Association for Conservation of the Tropics and Agustin Mendoza, one of the best climbers of the area whose local botanical knowledge never cease to amaze me! Two canopy cameras have been also installed within the Preserve to evaluate the arboreal diversity, seasonality and connectivity of Ficus insipida trees within different types of secondary forests: 1) close to the road and surrounded by regenerated secondary forest, and 2) deep within the Preserve (i.e. far from anthropogenic disturbance) and adjacent to pristine primary forest (i.e. transition from primary to secondary). Would the canopy cameras have resisted the rainy conditions of the Osa Forests? Would it be any differences between the arboreal diversity within both sites? Stay tune for more, results are coming up soon!
1 Comment
Gay Chat Kentucky link
3/6/2021 03:43:26 am

Interessting thoughts

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CONTACT

Center for Latin American Studies
School of Forest, Fisheries and Geomatics Sciences
University of Florida
aalmeyda@ufl.edu  / eben@ufl.edu
Picture

  • Home
  • People
    • Alumni
    • Join us
  • Research/Data
    • Data download
    • Geospatial Plot data workflow (GeoPlot)
    • Global Aboveground biomass Potential (GAP)
    • Global Ecosystem Structure Index (GESI)
    • PARAGUAYAN PERMANENT PLOT NETWORK (PPMB)
    • 2ndFOR
    • Sustainable Tourism >
      • Lapa Rios
    • Monitoring
    • Biodiversity Frameworks
    • References
    • SPEC Lab Internal
  • GatorEye
    • Donate to GatorEye
    • Postprocessing analytics
    • Hyperspec: links & refs
    • LiDAR: links & refs
  • ORC-CCS
  • GatorEye XL
  • GatorEye Lite
    • Processing tips
  • GatorEye XTR
  • GatorEye Data Access
    • MOU
  • Teaching
    • UAS Practicum
  • Info for students
    • Templates
    • Writing resources
    • Schedule
    • Funding >
      • NASA FINESST Fellowship
  • Photos
    • Puppies
  • Directions
  • Links
    • INOGO
  • SFRC UFL
  • BigPlotNetwork
  • Osa-INOGO
  • Storm Cloud
  • CDK