for a better ilets management
TRANSCRIPT
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Rodents controlfor a better ilets management.
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An MPA of 3054 ha with 5 main iletsAn MPA of 3054 ha with 5 main ilets
16 ha120 ha
0,9 ha
5 ha
RNN Saint-Martin
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A fragile heritageA fragile heritage
RNN Saint-Martin
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A natural area under pressureNearly
400 000 people / year inside the Reserve
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RNN Saint-Martin
Introduction of Invasive Alien SpeciesIntroduction of Invasive Alien Species
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Marine birds nesting.
• 3 monitored sites (2009)
• 2 main species : red billed tropical bird and brown noddy
RNN Saint-Martin
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Ratting on St Martin’s ilets (RNNSM/INRA/MNHN).
• nonlethal trapping (to avoid bycatch’s death)
• 2 main rodents species : house mouse (Mus musculus)
black rat (Rattus rattus)
• 2 types of traps each 15 – 20 meters and during 4 nights
• baitting with a mix of oatmeal and peanut butter
• biometric measurements, DNA, stomach contents, reproductive status
RNN Saint-Martin
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Ratting on St Martin’s ilets (RNNSM/INRA/MNHN).• partial ratting on Tintamarre, Pinel and Green Cay
• 230 black rats (Rattus rattus) and 79 house mice (Mus musculus)
• few bycatch
• a rodents control strategy
• a surprise
RNN Saint-Martin
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Ratting on St Martin’s ilets (RNNSM/INRA/MNHN).
RNN Saint-Martin
Skink : Spondylurus martinae Last observation : 1965
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MERCI DE VOTRE ATTENTION