Le Génie Écologique, une science par et pour le vivant

Béhé, Mélanie; Orm, Eliane Bou; Hahn, Léa; Palenstijn, Adrien

doi:10.1051/jbio/2020010

Cited by 1 publication

(1 citation statement)

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“…Peri-urban forest ecosystems are habitats for numerous animal species, and are still preferred sites and refuges of great biodiversity throughout the planet (Asimonyio, 2015;Ngbolua et al, 2015). Unfortunately, in recent decades, due to demographic pressure and uncontrolled urbanization in cities (Béhé et al, 2020;Mavunda et al, 2022) these ecosystems have been degraded (Boulanger et al, 2020). For example, by 2030, over 5 billion people will be living in large cities (UN, 2015).…”

Section: Introductionmentioning

confidence: 99%

Ecological characterization of habitats of three insect species prized by populations in Kinshasa (DR. Congo)

Adeito Mavunda,

Kanda,

Folega

et al. 2023

Sylwan

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Vegetation is a potential habitat for biodiversity. Characterizing its diametric and spatial structure is a key factor in management. With this in mind, this study aims to characterize the natural habitats of Brachytrupes membranaceus, Cirina forda and Gonibrasia jamesonii, the insect species most widely consumed in Kinshasa. An inventory of caterpillar host trees was carried out around mother plants (M. laurentii: dbh ? 90 cm and A. auriculiformis: dbh ? 40 cm) in 24 plots of 2500 m2 in woodland formations. The circumference, x and y coordinates of each individual at dbh ? 10 cm were recorded; and soil physicochemical parameters were measured in situ in relation to the presence of B.membranaceus. The results show that the diametric structures of the tree stems of all the stands studied are generally inverted "J", with small irregularities at class [40-50] and [20-30] cm respectively of Millettia planted forests and Millettia natural forests (p-value= 2.6). An average of 342.1, 94.0 and 107.0 trees/ha (p-value = 0.4) were inventoried in the Acacia plantations, the Milletia planted forest and the Milletia natural forest respectively, showing a random and/or aggregated distribution according to the tree stand categories compared and, an average basal area of 6.93, 12.58 and 5.39 m2/ha (p-value= 0.5). The soil is neutral (6.8) with a moisture content of 10.46%, a temperature of 32.6ï¿½C, a depth of 46.86 cm and a blackish/brownish color. This result provides unsurpassable information for planning management itineraries and orienting peri-urban ecosystem exploitation system in a more sustainable way. This study is part of the logic of contribution to SDGs 2 and 15 by 2030.

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Section: Introductionmentioning

confidence: 99%