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Assessment of the species richness of highly eusocial bees according with habitat in Gabon
Fabre Anguilet, Edgard; Bengone Ndong, Toussaint; Nguyen, Bach Kim et al.
201511ème colloque Ecology Behavior
 

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Keywords :
species richness; habitat; honey bee; Stingless bee; Gabon
Abstract :
[en] Bees are among the most e ective pollinators. These insects include honeybee and stin- gless bee. In Africa, habitat loss is the main threat to these insects. This loss of habitat is largely due to various human activities. An evaluation of the richness of social bees in three locaties in Gabon (Central Africa) was conducted from October 2013 to March 2014: Kougouleu who underwent deforestation and implantation of food crops, forest area Mas- sengalini in bu er zone of protected area of Lope and Lekokodiba in logging concession of Preccious Woods Gabon. For this, a collection was conducted using yellow traps lled with a mixture of water and honey and using a hand vacuum in 20 sites in each area. The number of species was compared to that estimated there are about thirty years. Eleven species of social bees (Apis mellifera adansonii and ten stingless bee species) were collected, of which 5 to Kougouleu, 8 to Massengalini and 11 to L ekokodiba. Honeybee has been collected in all localities. Forest localities are distinguished from Kougouleu by higher species diversity. This di erence is highly signi cant (Kruskal-Wallis 2 = 45.362, df = 2 and p-value<0.001). A decrease of approximately 50% of the number of stingless bee species in 30 years was found to Kougouleu, while the number of social bee species varies little in forest localities. Our study shows that the loss of forest habitat causes a decline in the species richness of social bees and stingless bees are more sensitive to this loss as the honeybee.
Disciplines :
Entomology & pest control
Author, co-author :
Fabre Anguilet, Edgard ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Bengone Ndong, Toussaint;  Institut de Recherches Agronomiques et Forestières
Nguyen, Bach Kim ;  Université de Liège > Cabinet du Vice-recteur (GxABT)
Haubruge, Eric  ;  Université de Liège > Premier Vice-Recteur
Francis, Frédéric  ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Language :
English
Title :
Assessment of the species richness of highly eusocial bees according with habitat in Gabon
Publication date :
18 May 2015
Event name :
11ème colloque Ecology Behavior
Event organizer :
Association des Rencontres Ecology & Behaviour
Event place :
Toulouse, France
Event date :
du 18 au 21 mai 2015
Audience :
International
Available on ORBi :
since 28 May 2015

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