Information Center: Environment

Results 61 - 70 of 97


J -C Toto, S Abaga, P Carnevale, and F Simard
September 5, 2003

The invasive oriental mosquito Aedes (Stegomyia) albopictus (Skuse) (Diptera: Culicidae) was detected on Bioko Island for the first time in November 2001. It was found to be well established breeding in artificial containers at Planta, near Malabo, the capital of Equatorial Guinea. This is the third tropical African country to be invaded by Ae. albopictus, which has recently spread to many parts of the Americas and Europe--with vector competence for dengue, yellow fever and other arboviruses.

J P Gonzalez-Kirchner
October 7, 1995

Analysis of the diet and behavior of sympatric prosimians

J P Gonzalez-Kirchner
November 7, 1996

Habitat preference of the Russet-eared guenon was analyzed on Bioko island, Republic of Equatorial Guinea. Almost all the island is inhabited by this primate, that is able to live near human settlements. Ecological plasticity and adaptability are shown to be the main characters of this guenon on Bioko island.

J P Gonzalez-Kirchner
July 9, 1996

Habitat preference of the Spot-nosed guenon and the Crowned guenon was analysed on Bioko Island, Republic of Equatorial Guinea.

J P Gonzalez-Kirchner
June 8, 1997

A census was made of gorilla populations throughout the Rio Muni region in Equatorial Guinea between July 1989 and December 1990. The aim of the census was to estimate the total numbers of this species in relation with its distribution on Rio Muni region. The estimated size of the gorilla population in Rio Muni stands between 1000 and 2000 individuals.

J P Gonzalez-Kirchner
January 5, 1997

The black (Colobus satanas) and red colobus (Procolobus badius) are two of the most threatened primate species of Africa Both species live on Bioko island, Equatorial Guinea, where their habitat preferences and niche separation were analyzed.

J P Gonzalez Kirchner
April 8, 2004

The Press's guenon (Cercopithecus preussi) is considered to be one of the most threatened African primates. There is little information on the ecology and status of this primate on Bioko island, where it is found in the form of an endemic subspecies. This article discusses the habitat preferences and threats to survival for this primate.

J E Garcia, and J Mba
April 8, 1997

Equatorial Guinea has a new network of protected areas, but only Monte Alen National Park has any effective protection. As a contribution to the knowledge of this area, a survey of primate populations was carried out during a 7-month period in 1994. The results showed that there is a high primate diversity (15–16 distinct species) in Monte Alen. The three most commonly sighted monkey species were Cercopithecus nictitans (35.9–40.8 per cent of sightings), Cercopithecus cephus (28.9–43.5 per cent) and Cercopithecus pogonias (17.4–22.4 per cent). Mean distance covered to find any group of these guenons varied from 1.1km in open primary forest to 2.7 km in dense primary forest. Gorilla nests were more abundant in secondary forest near villages (5.15 nests/km), while chimpanzee nests were mostly found in primary forest (5.35 nests/km). Hunting pressure appears to be low but shifting agriculture has a significant impact on the conservation of the area. The degree of threat varies between species. Alternatives for better management of the area, such as educational programmes and sustainable use of natural resources, are suggested.

J C Toto, S Abaga, P Carnevale, and F Simard
October 9, 2003

This report describes the history of the oriental mosquito and traces it back to certain diseases believed to be caused by the insect in Equatorial Guinea and other countries.

Isabelle Amsallem, Mette Løyche Wilkie, Pape Koné, and Michel Ngandji.
October 8, 2003

To highlight numerous efforts undertaken in forest management, FAO launched an initiative entitled ʺIn search of excellenceʺ to identify and document successful examples of sustainable management. This book contains analyses in the form of 14 case studies. The management practices identified demonstrate the evolution of the forest sector in Central Africa.

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