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Jean Paul Koto-Te-Nyiwa Ngbolua
University of Kinshasa
Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Cultivation of an edible mushroom species, Pleurotus sajor – caju (Fr.) Singer (1951) (Pleurotaceae) (strain 221114) on various lignocellulosic substrates. Roger Batubenga; Félicien Lukoki; Esther Mwambay; Daddy Kanika; Alain Tshisuaka; Jeff Iteku; Jean Paul Koto-Te-Nyiwa Ngbolua; Simon Dibaluka
Biology, Medicine, & Natural Product Chemistry Vol 15, No 1 (2026)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2026.151.1399-1405

Abstract

The current food crisis and the continuing deterioration in the health of the populations of the DRC in general, and those of the province of Kongo Central in particular, are among the causes of severe pressure on natural environments, especially forests. In the long term, these risks creating scarcity or the disappearance of certain resources, including mushrooms. The main aim of this study is to contribute to the promotion of NTFPs in the fight against hunger and food insecurity through the cultivation of strain 221114 of the species Pleurotus sajor-caju, making sporophores available on a regular basis. To achieve this objective, we set ourselves the specific goals of determining the mycelial growth rate and comparing the yields obtained from strain 221114 of the species Pleurotus sajor-caju on fruiting substrates. The strain used in the culture was isolated in the Ngeba area, as shown in Figure 1 below, in the province of Central Kongo. The preparation of seedling media and the production of seedling whites, the preparation of final substrates, the addition of nutrients, incubation, fruit induction, and obtaining and harvesting sporophores were carried out at the Systematic Mycology and Myciculture Laboratory of the Life Sciences Department, Faculty of Science and Technology, University of Kinshasa, in room B28 and the department's experimental garden. The fungal material used was strain 221114 of Pleurotus sajor – caju. The plant material for the substrate consisted of rice straw, banana leaves, wood chips, sugarcane bagasse, and sawdust. Wheat bran and slaked lime were used as additives. The isolation method from tissue or tissue culture (known as monoculture) was used to start the culture. The best average sporophore yields were 35.01 ± 3.7% on rice straw, 28.67 ± 4% on wood chips, and 23.3 ± 2.4% on sugarcane bagasse, yields well above the theoretical yield of 20% at which a substrate is considered best and suitable for sporophore production. 
Specific richness of bats in urban and peri-urban environments of Kisangani, Tshopo Province in the Democratic Republic of Congo Moïse Akawa Bipoo; Prescott Akawa Musaba; Francine Botelanyele Kirongozi; Joel Amisa Kango; Madeleine Bikengaga Alimasi; Casimir Mololo Nebesse; Guy Crispin Tungaluna Gembu; Jean Paul Koto-Te-Nyiwa Ngbolua
Biology, Medicine, & Natural Product Chemistry Vol 15, No 1 (2026)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2026.151.1439-1450

Abstract

This study focuses on bat diversity in the urban and peri-urban areas of Kisangani. It is situated within a context marked by increasing urbanization, habitat fragmentation, and heightened human pressure on forest ecosystems. The main objective was to determine species diversity and bat composition by site and habitat type, as well as to analyze their ecological preferences. Sampling was conducted at eight sites (Bawi, Botanical Garden of the Faculty of Sciences at the University of Kisangani, Imani, Maleke, Masako, Scholasticat, Yelenge, and the Kisangani Zoological Garden) covering five habitat types: cultivated fields (CC), primary forest (FP), young fallow (JJ), old fallow (JV), and human-modified environment (MA). Two capture techniques were used: mist nets and harp traps, set for 10 nights per site. The results show that 15 species across 5 families were recorded, with dominance by Pteropodidae (fruit bats), notably Epomops franqueti (39.89%), Myonycteris torquata (25%), and Megaloglossus woermanni (21.81%). Diversity is generally higher in peri-urban environments and young fallow (FF) habitats, while highly anthropized environments exhibit lower diversity and a different species composition. Jaccard similarity analysis and dendrogram analysis revealed a clear structuring of communities according to the degree of habitat disturbance. Peri-urban sites more closely resemble primary forests, while urban sites mainly harbor opportunistic and disturbance-tolerant species. The study also highlights the importance of forest fragments and urban green spaces as biodiversity refuges and underscores the need for tailored conservation strategies to preserve bat populations in Kisangani.
Avian Diversity of the Masako Forest Reserve after Anthropization (Tshopo Province, Democratic Republic of the Congo) Elie Pelove Bugentho; Glodi Lotana Lotana; Bienvenu Ligili Kapita; Jean Saidi Bilama; Jean Paul Koto-Te-Nyiwa Ngbolua; Sylvestre Mbalitini Gambalemoke; Dieudonné Agenong’a Upoki
Biology, Medicine, & Natural Product Chemistry Vol 15, No 1 (2026)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2026.151.1450-1457

Abstract

Anthropization is one of the main drivers of forest ecosystem degradation and strongly affects biodiversity. This study analyzes the comparative diversity of the avifauna in the Masako Forest Reserve (RFM) before and after anthropogenic disturbances. Data were collected between February and July 2024 using mist nets and observation points across different habitat types, including young and old fallows, croplands, and forest fragments. The results show a marked decline in avifauna, with a local loss of approximately 77% of the species initially recorded. Specialized forest species are the most affected, while the persistent species are mostly generalists, tolerant to disturbed environments. Recolonization remains very low. The disappearance of species with concerning conservation status, such as Psittacus erithacus, highlights a real risk of local extinction and underscores the negative impact of human activities on the ecological integrity of the RFM, calling for strengthened conservation measures.
Co-Authors Alain Tshisuaka Bienvenu Ligili Kapita Casimir Mololo Nebesse Daddy Kanika Dieudonné Agenong’a Upoki Elie Pelove Bugentho Esther Mwambay Félicien Lukoki Francine Botelanyele Kirongozi Glodi Lotana Lotana Guy Crispin Tungaluna Gembu Jean Saidi Bilama Jeff Iteku Joel Amisa Kango Madeleine Bikengaga Alimasi Moïse Akawa Bipoo Prescott Akawa Musaba Roger Batubenga Simon Dibaluka Sylvestre Mbalitini Gambalemoke