Jaguares En Costa Rica
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Transcript of Jaguares En Costa Rica
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Where is Costa Rica ????
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Costa Rica
is known for its efforts in create Protected Areas for Conservation
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However, to protect an area is not enough !!
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1. To generate information about the resources in the area (base line studies).
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2. Long term monitoring of the natural resources (using indicator species??).
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We began our studies in OSA in 1990.
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Jaguar (Panthera onca)
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White-lipped peccary(Tayassu pecari)
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Threats
Habitat loss
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Threats
Jaguar – people conflict
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Threats
Jaguar ‘s poaching
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Threats
Poaching of Jaguar’s preys
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So.... What did we do ??. We wanted to answer some questions:
What was the jaguar’s movements and activities patterns?
What was the predator prey relationship?
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Corcovado National Park
Golfo Dulce Forest Reserve
Reserva indígena Guaymí
Piedras Blancas National Park
Golfito Wildlife Refuge
20 Km20 Km
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Corcovado National Park
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Objective
To document the spatial and temporal movements of a jaguar in relation to the behavior of its major prey.
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Some questions…
What was the importance of marine turtles for jaguars?
How were jaguars using marine turtles and White-lipped peccaries?
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Methodology
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Tortugas marinas
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Beach surveys
location mapbeach photo
(frequency of surveys)
(3-7 days/month)
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Results
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Photo of turtle on the beach
Marine turtles
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0
0.4
0.8
1.2
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2M
ean
no.
of
turt
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per
day
FirstQuarter
Full LastQuarter
New
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Home range sizes (km2) of white-lipped peccaries
Season N Mean Range
_____________________________
Dry 3 33.5 30.2-37.0
Wet 3 32.8 30.8-35.5
Both 3 35.3 32.0-37.8_______________________________________
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Time
% A
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Dry Wet
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Jaguar photo
Jaguars
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Proportion of 18 jaguar scats with remains of specific prey
White-lipped peccary 0.88Collared peccary 0.37Two toed-sloth 0.22Three toed-sloth 0.11Olive ridley turtle 0.11White-faced monkey 0.05Agouti 0.05Toucan 0.05
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No. of jaguar prey located by telemetry
Species N___________________________________________________________________
Olive ridley turtle 14
Pacific green turtle 2
White-lipped peccary 4
Red snapper (fish) 1
American crocodile 1
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Home range sizes (km2) of jaguars
Season Moon phase Mean Range
_____________________________________
Dry All 18.0 15.0-20.6
Wet All 19.9 18.2-22.3
Both First/Full 16.8 13.3-20.2
Both Last/New 12.5 9.2-15.7
Both All 20.6 19.0-23.0
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Some new questions…
1. What is the jaguar population in Corcovado National Park?
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We set up a camera trap survey in Corcovado National Park in 2003.
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We estimated the jaguar population in Corcovado National Park between 40 to 50 animals.
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NICARAGUA
PANAMACosta Rica
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