Evolution of Tropical Evolution of Tropical Limnology at the University Limnology at the University of Puerto Rico-Rio Piedras of Puerto Rico-Rio Piedras Jorge R. Ortiz Zayas Jorge R. Ortiz Zayas Institute for Tropical Ecosystem Institute for Tropical Ecosystem Studies Studies & & Center for Tropical Applied Ecology Center for Tropical Applied Ecology and Conservation and Conservation 14 November 2009 14 November 2009
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Evolution of Tropical Limnology at the University of Puerto Rico-Rio Piedras Jorge R. Ortiz Zayas Jorge R. Ortiz Zayas Institute for Tropical Ecosystem.
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Evolution of Tropical Limnology at the Evolution of Tropical Limnology at the University of Puerto Rico-Rio PiedrasUniversity of Puerto Rico-Rio Piedras
Jorge R. Ortiz ZayasJorge R. Ortiz ZayasInstitute for Tropical Ecosystem Studies Institute for Tropical Ecosystem Studies
&&Center for Tropical Applied Ecology and Center for Tropical Applied Ecology and
Conservation Conservation
14 November 200914 November 2009
In PR, high water extraction from rivers, the In PR, high water extraction from rivers, the construction of dams, irrigation channels, roads and construction of dams, irrigation channels, roads and the uncontrolled urban sprawl is affecting water quality the uncontrolled urban sprawl is affecting water quality and the ecological integrity of creeks, rivers, and and the ecological integrity of creeks, rivers, and estuaries. estuaries.
The native aquatic fauna has been affected and The native aquatic fauna has been affected and replaced by exotic species.replaced by exotic species.
Water quality data are limited. EQB lacks data (JCA Water quality data are limited. EQB lacks data (JCA 2004) on the real condition of most rivers (69%) and 2004) on the real condition of most rivers (69%) and beaches (63%). beaches (63%). 23% of the rivers, 5% of beaches y 100% of 23% of the rivers, 5% of beaches y 100% of
reservoirs violate some water quality standard.reservoirs violate some water quality standard.
Why limnology in Puerto Rico?Why limnology in Puerto Rico?
Foto de Beverly Yoshioka
Population densityPopulation density
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Barba
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Mar
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Aruba
Isla
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icana
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DamsDams
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Puerto Rico
Conceptual framework of UPR’s Tropical Limnology Program at UPR
Inlandwaters
Ecosystem approach
Human/naturalsystems
Applied questions
Community outreach
Research group focusResearch group focus• Carbon cycling Carbon cycling – WWTP effects to rivers and estuariesWWTP effects to rivers and estuaries
• Nitrogen cyclingNitrogen cycling– Groundwater and Cave processingGroundwater and Cave processing– Urban influencesUrban influences
• Ecohydrology of critical aquatic habitatsEcohydrology of critical aquatic habitats– Recovery of Sapo Concho Recovery of Sapo Concho
• Land and climate change effects on waterLand and climate change effects on water– Caribbean Coastal Scenarios Caribbean Coastal Scenarios
• Integrated water resources managementIntegrated water resources management– Global Water Partnership, UNESCO HELP, and PR Water PlanGlobal Water Partnership, UNESCO HELP, and PR Water Plan