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Macrofungi composition and diversity on deadwood in Ngel Nyaki forest reserve, Mambilla Plateau, Nigeria

Cleophas B. Ajiya, Ali D. Ahmed, Charles A. Nsor, Michael G. Manager, Daniel A. Zhigila

Abstract


Macrofungi are extensive in diversity and play an essential role in sustaining ecosystems. However, the size and quality of their habitat is decreasing and extinction threatens the remaining 95 % of the world’s undiscovered fungal species. This study was carried out to document the diversity and composition of macrofungi in Ngel Nyaki Montane Forest Reserve. A total of seventy-two (72) wood decomposing fungi were identified belonging to 8 classes, 12 Orders and 27 Families. The most abundant species was Trichoglossum hirsutum (Pers). Boud with 23.49% relative frequency of occurrence followed by Russulax erampelina (7.23%), Hemimycena candida (Bres) Singer (5.42%), Termitomyces eurhizus (Berk.) Heim (4.82%), Pleurotus pulmonarius (Fr.) Quél (4.22%) and Ganoderma sp 1 (3.61%). Thirty-eight (52.77%) of the 72 species were rare, as they were seen and collected once during the survey. Eight (8) different fruiting body forms were encountered. Most of the macrofungi were the gilled fungi (Agarics) with 39 species, followed by the Polypores with 21 species, while cup fungi, slime mould and coral fungi were represented in the whole collection by a single species each. Macrofungi diversity varied significantly across pieces of deadwood with wood in later stages of decay having the highest macrofungi diversity. The study documents the first checklist of macrofungi in Nigeria’s rarest forest landscape.

Keywords: Macrofungi, Composition, Diversity, Ngel Nyaki, Mambilla Plateau




http://dx.doi.org/10.4314/jpb.v15i2.15
AJOL African Journals Online