Vol. 15 - Deutsches Primatenzentrum

Lemur News Vol. 15, 2010 Page 59
munication (poster,teeshirt,banderoles etc.) pour une meilleure
compréhension des aspects de la conservation auprès
des paysans en particulier et des parties prenantes en
général.
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Genetic diversity in ten Indri (Indri indri)
populations compared to other lemur
species
John Zaonarivelo 1,Rick Brenneman 2*,Rambinintsoa
Andriantompohavana 3, Edward E. Louis, Jr. 2,3
1University of North Madagascar, Antsiranana, Madagascar
2Center for Conservation and Research, Omaha’s Henry
Doorly Zoo,3701 South 10th Street,Omaha,NE 68107,USA
3Madagascar Biodiversity Partnership, Antananarivo, 101
Madagascar.
*Corresponding author: rabr@omahazoo.com
Genetic diversity is considered by most to be the key to long
term survival and the maintenance of the evolutionary trajectory
of a species.Genetic variation at loci under selection
gives the species as a whole the mechanisms with which to
respond or adapt to environmental changes.Lemurs in general
are poorly studied with respect to establishing baseline
parameter estimates for genetic diversity.Only limited popu-
lation genetics studies exist on the genera Propithecus, Avahi,
Varecia, Eulemur, Microcebus, and Mirza (Tab. 1). To date, the
genus Indri is depauperate of population genetic data that
would help better understand the genetic diversity harbored
in its populations.
Tab.1:Lemur studies using multilocus microsatellite suites to
estimate genetic diversity as observed (HO) and expected
(HE) heterozygosity levels.
Species PopuSam- Loci HO HE Reference
lationsples Indri indri 2 20 20 0.654 0.766 Zaonarivelo
et al., 2007b
Propithecus
deckeni
2 20 14* 0.790 0.851 Lei et al., 2008a
P. deckeni 1 10 18* 0.776 0.776 Lei et al., 2008b
P. coquereli 1 25 20 0.635 0.771 Rakotoarisoa
et al., 2006a
P. candidus 2 18 17* 0.648 0.614 McGuire et al., 2009
P. coronatus 1 10 18* 0.771 0.774 Lei et al., 2008b
P. diadema 2 20 13* 0.818 0.814 Ramarokoto
et al., 2008
P. edwardsi 2 20 12* 0.681 0.618 Bailey et al., 2009
P. verreauxi 3 30 13 0.670 0.712 Rakotoarisoa
et al., 2006b
P. tattersalli 2 20 16* 0.673 0.683 Razafindrakoto
et al., 2008
P. tattersalli **3 75 13
Quéméré et al.,
0.699 0.682
2009
P. tattersalli 9 224 13
Quéméré et al.,
0.690 0.660
2010
Avahi laniger 5 37 22 0.640 0.838 Andriantompohavana
et al., 2004
A. occidentalis
1 7 22 0.514 0.586 Andriantompohavana
et al., 2004
Varecia
rubra
2 32 15 0.616 0.618 Razakamaharavo
et al., 2010
V. variegata
variegata
4 35 25 0.337 0.506 Louis et al., 2005
Eulemur
cinereiceps
2 21 16* 0.598 0.641
Tokiniaina et al.,
2009
E. collaris 4 40 10* 0.617 0.576 Ranaivoarisoa
et al., 2010
E. sanfordi 5 54 11* 0.562 0.567 Ramanamahefa
et al., 2010a
E. coronatus 6 80 11* 0.636 0.673 Ramanamahefa
et al., 2010b
E. rubriventer
2 12 20 0.531 0.643 Andriantompohavana
et al., 2007
Lemur catta 1 24 7*
Zaonarivelo et al.,
0.837 0.838
2006
Microcebus
ravelobensis
8 205 7
Olivieri et al.,
0.615 0.605
2007
M. ravelobensis
12 187 8
Radespiel et al.,
0.708 0.734
2008
M. bongolensis
3 45 8
Olivieri et al.,
0.557 0.565
2008
M. danfossi 7 78 8 0.628 0.662 Olivieri et al., 2008
Mirza
coquereli
***1 69 7
Markolf et al.,
0.712 0.799
2008
* Heterozygosity averages calculated using loci with null allele
frequency estimates less than 0.10.
** Estimated over genetic clusters, not actual populations
*** Samples taken from 1993-2006.
The Indri (Indri indri, Gmelin, 1788), or Babakoto as it is
known in most of eastern Madagascar,is the largest extant lemur
(Powzyk and Thalmann, 2003). Indri are primarily midlevel
forest folivores preferentially feeding on immature
leaves and somewhat also on mature leaf matter, flowers,
fruits,seeds and even bark when necessary (Britt et al.,2002).
The Babakoto is currently threatened by the rapid reduction