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  1. Article ; Online: Earthworm species occurrence in agroecosystems in the Midlands, KwaZulu-Natal, South Africa

    Thembeka C. Nxele / Tarombera Mwabvu / Inam Yekwayo

    African Invertebrates, Vol 62, Iss 2, Pp 411-

    2021  Volume 425

    Abstract: Little is known about the species composition of earthworms in agroecosystems in South Africa even though earthworms provide soil ecosystem services and are useful biological indicators of changes in the habitats. Given the land use and management impact ...

    Abstract Little is known about the species composition of earthworms in agroecosystems in South Africa even though earthworms provide soil ecosystem services and are useful biological indicators of changes in the habitats. Given the land use and management impact biodiversity, the aim of this study was to document earthworm species that occur under cultivated land in the KwaZulu-Natal Midlands. A survey of nine farms that practise conservation agriculture was carried out between 2018 and 2020. Twelve earthworm species belonging to four introduced families: Acanthodrilidae (Dichogaster bolaui), Rhinodrilidae (Pontoscolex corenthrurus), Lumbricidae (Aporrectodea caliginosa, Aporrectodea rosea, Aporrectodea trapezoides, Lumbricus rubellus, Octolasion cyaneum, Octolasion lacteum), Megascolecidae (Amynthas aeruginosus, Amynthas corticis, Amynthas gracilis, Amynthas rodericensis) and juveniles from an indigenous family Tritogeniidae were recorded from cultivated fields. The type of crop (habitat) affected both species richness and abundance of earthworms significantly. However, post hoc results showed differences in species richness between the soya and the maize only, with greater species richness in the maize. Our results demonstrate that habitat type has a major influence on communities of earthworms in agroecosystems.
    Keywords Science ; Q ; Ecology ; QH540-549.5 ; General. Including nature conservation ; geographical distribution ; QH1-199.5
    Language English
    Publishing date 2021-08-01T00:00:00Z
    Publisher Pensoft Publishers
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: A new family Kazimierzidae for the genus Kazimierzus, earlier recorded to the composite Microchaetidae (Annelida, Oligochaeta)

    Thembeka C. Nxele / J. Danuta Plisko / Tarombeta Mwabvu / T. Oliver Zishiri

    African Invertebrates, Vol 57, Iss 2, Pp 111-

    2016  Volume 117

    Abstract: A review of the genus Kazimierzus Plisko, 2006, based on available type material enriched by study of selected specimens from the earthworm collection gathered at the NMSA and literature, revealed that the species presently accredited to this genus are ... ...

    Abstract A review of the genus Kazimierzus Plisko, 2006, based on available type material enriched by study of selected specimens from the earthworm collection gathered at the NMSA and literature, revealed that the species presently accredited to this genus are characterized by unique features and clearly differ from the species of the other genera endorsed to Microchaetidae. Basing on this discovery the genus Kazimierzus is separated from Microchaetidae and Kazimierzidae fam. n. is erected to accommodate the whole 21 species of this genus. Species accredited to the new family Kazimierzidae are listed, their peculiar characters and specific distribution discussed.
    Keywords Science ; Q ; Ecology ; QH540-549.5 ; General. Including nature conservation ; geographical distribution ; QH1-199.5
    Language English
    Publishing date 2016-10-01T00:00:00Z
    Publisher Pensoft Publishers
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  3. Article: Soil biota in a megadiverse country: Current knowledge and future research directions in South Africa

    Janion-Scheepers, Charlene / Adriaana Jacobs / Adrian L.V. Davis / Andrew B. Davies / Ansie S. Dippenaar-Schoeman / Antoinette P. Malan / Antoinette Swart / Ariella N. Rink / Brigitte Braschler / Candice Jansen van Rensburg / Charles Griffiths / Charles R. Haddad / Danuta J. Plisko / David G. Herbert / Driekie Fourie / Eddie Ueckermann / Elizabeth A. Hugo-Coetzee / Grant A. Duffy / Jan-Andries Neethling /
    Joanna Dames / John Measey / John R.U. Wilson / Jonathan F. Colville / Karin Jacobs / Leon N. Lotz / Lorenzo Prendini / Louise Coetzee / Mariette Marais / Mariette Truter / Martin H. Villet / Michelle Hamer / Pieter Theron / Robin Lyle / Sandi Willows-Munro / Sarah J. Davies / Schalk vdM. Louw / Siviwe Lamani / Steven L. Chown / Thembeka C. Nxele / Vivienne M. Uys

    Pedobiologia. 2016 May, v. 59, no. 3

    2016  

    Abstract: Soils are integral to agricultural productivity, biodiversity, and the maintenance of ecosystem services. However, soil ecosystem research depends on foundational biological knowledge that is often missing. In this review, we present a comprehensive, ... ...

    Abstract Soils are integral to agricultural productivity, biodiversity, and the maintenance of ecosystem services. However, soil ecosystem research depends on foundational biological knowledge that is often missing. In this review, we present a comprehensive, cross-taxa overview of the soil biota of South Africa. We discuss the literature and sampling methods used to assess soil biota, the available taxonomic expertise and main collections within South Africa, the availability of identification guides and online resources, and the status and distribution of described species. We include species lists for all South African soil biota and, for groups with sufficient distribution records, species richness maps. Despite South Africa being only 0.8% of the earth’s terrestrial area, it contains nearly 1.8% of the world’s described soil species (mean per taxon 3.64%, range 0.17–15%; n=36 groups), with nematodes and earthworms showing a remarkable (6.4 and 7.7%) proportion of globally described diversity. Endemism is high for most groups, ranging from 33–92%. However, major knowledge gaps exist for most soil biota groups. While sampling has been relatively comprehensive in some areas for a few groups (particularly those with direct socioeconomic impacts), the Nama-Karoo, Northern Cape and Eastern Cape are poorly sampled. Natural soils in biodiversity hotspots, such as the Fynbos Biome, are also understudied. We argue that a more integrative approach to acquiring foundational knowledge in soil biodiversity is needed if applied soil research is to be effective in ensuring sustainable soil health. Considerable investment will be required to bring our understanding of the soil biodiversity in this megadiverse region to a level where the Millennium Development Goals can be reached.
    Keywords earthworms ; ecosystem services ; fynbos ; indigenous species ; Nematoda ; soil ; soil ecosystems ; soil quality ; species diversity ; South Africa
    Language English
    Dates of publication 2016-05
    Size p. 129-174.
    Publishing place Elsevier GmbH
    Document type Article
    ZDB-ID 207680-9
    ISSN 1873-1511 ; 0031-4056
    ISSN (online) 1873-1511
    ISSN 0031-4056
    DOI 10.1016/j.pedobi.2016.03.004
    Database NAL-Catalogue (AGRICOLA)

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