Rodents controlfor a better ilets management.

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

A fragile heritageA fragile heritage

RNN Saint-Martin

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

Marine birds nesting.

• 3 monitored sites (2009)

• 2 main species : red billed tropical bird and brown noddy

RNN Saint-Martin

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

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

Ratting on St Martin’s ilets (RNNSM/INRA/MNHN).

RNN Saint-Martin

Skink : Spondylurus martinae Last observation : 1965

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