Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon

Acari and Collembola from a high Guinean savanna and an experimental ReviTec site were studied to assess the efficiency of compost and biochar amendments for the rehabilitation of degraded soil. The research sites are located in Dang (Ngaoundéré, Adamawa, Cameroon), which is subject to four months...

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Autores principales:	Dieudonné Djackba Danra, Hartmut Koehler, Elias Nchiwan Nukenine
Formato:	article
Lenguaje:	EN
Publicado:	Senckenberg Gesellschaft für Naturforschung 2021
Materias:	Acari Collembola Cameroon soil degradation rehabilitation biochar Microbiology QR1-502 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/d422c8a922f54e73990c0d03991f6ff6
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spelling	oai:doaj.org-article:d422c8a922f54e73990c0d03991f6ff62021-12-01T12:11:16ZAssessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon10.25674/so93iss3id1651864-64172509-9523https://doaj.org/article/d422c8a922f54e73990c0d03991f6ff62021-12-01T00:00:00Zhttp://soil-organisms.org/index.php/SO/article/view/165https://doaj.org/toc/1864-6417https://doaj.org/toc/2509-9523 Acari and Collembola from a high Guinean savanna and an experimental ReviTec site were studied to assess the efficiency of compost and biochar amendments for the rehabilitation of degraded soil. The research sites are located in Dang (Ngaoundéré, Adamawa, Cameroon), which is subject to four months of dry season. Our study contributes to the suitability of microarthropods as bioindicators of a rehabilitation measure and to the general knowledge of soil mesofauna in dry sub-Sahara Africa savanna. Abundances of soil Acari and Collembola were assessed in four sampling campaigns during the rainy season (May, June, July, August 2017; 0–20 cm depth). Results from explorative sampling campaigns in the same months of 2016 are included to assess year-to-year development (0–10 cm depth). Soil water content, pH, N, C and soil temperature were monitored. Controls were savanna (adjacent to the experimental site) and ReviTec control (part of the experimental site). To assess the effect of compost and biochar soil amendments, we investigated compost + mycorrhiza (cpmy) and compost + biochar + bokashi (cpbcbo). We identified Acari groups (Gamasina, Uropodina, Prostigmata, Oribatida, Astigmata) and Collembola, extracted with a Tullgren-type apparatus. In the savanna, abundances of up to 23 tsd. Acari and 6 tsd. Collembola per m2 were recorded. The corresponding findings for the compost-amended substrates of the ReviTec site are 228 tsd. Acari and 37 tsd. Collembola per m2 (2017, means of five cores). The abundances increased gradually with the duration of the rainy season and reached their maximum in July/August. Abundances were higher at depths of 0–10 cm than at 10–20 cm, except in May. Abundances in May likely reflect the previous dry season, when animals seem to survive in deeper soil layers. Significantly higher abundances were recorded in the ReviTec substrates than in the control soils. The development of microarthropods indicates effective rehabilitation of ecosystem services of degraded soil after application of ReviTec. Dieudonné Djackba DanraHartmut KoehlerElias Nchiwan NukenineSenckenberg Gesellschaft für NaturforschungarticleAcariCollembolaCameroonsoil degradationrehabilitationbiocharMicrobiologyQR1-502ZoologyQL1-991ENSoil Organisms, Vol 93, Iss 3 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Acari Collembola Cameroon soil degradation rehabilitation biochar Microbiology QR1-502 Zoology QL1-991
spellingShingle	Acari Collembola Cameroon soil degradation rehabilitation biochar Microbiology QR1-502 Zoology QL1-991 Dieudonné Djackba Danra Hartmut Koehler Elias Nchiwan Nukenine Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon
description	Acari and Collembola from a high Guinean savanna and an experimental ReviTec site were studied to assess the efficiency of compost and biochar amendments for the rehabilitation of degraded soil. The research sites are located in Dang (Ngaoundéré, Adamawa, Cameroon), which is subject to four months of dry season. Our study contributes to the suitability of microarthropods as bioindicators of a rehabilitation measure and to the general knowledge of soil mesofauna in dry sub-Sahara Africa savanna. Abundances of soil Acari and Collembola were assessed in four sampling campaigns during the rainy season (May, June, July, August 2017; 0–20 cm depth). Results from explorative sampling campaigns in the same months of 2016 are included to assess year-to-year development (0–10 cm depth). Soil water content, pH, N, C and soil temperature were monitored. Controls were savanna (adjacent to the experimental site) and ReviTec control (part of the experimental site). To assess the effect of compost and biochar soil amendments, we investigated compost + mycorrhiza (cpmy) and compost + biochar + bokashi (cpbcbo). We identified Acari groups (Gamasina, Uropodina, Prostigmata, Oribatida, Astigmata) and Collembola, extracted with a Tullgren-type apparatus. In the savanna, abundances of up to 23 tsd. Acari and 6 tsd. Collembola per m2 were recorded. The corresponding findings for the compost-amended substrates of the ReviTec site are 228 tsd. Acari and 37 tsd. Collembola per m2 (2017, means of five cores). The abundances increased gradually with the duration of the rainy season and reached their maximum in July/August. Abundances were higher at depths of 0–10 cm than at 10–20 cm, except in May. Abundances in May likely reflect the previous dry season, when animals seem to survive in deeper soil layers. Significantly higher abundances were recorded in the ReviTec substrates than in the control soils. The development of microarthropods indicates effective rehabilitation of ecosystem services of degraded soil after application of ReviTec.
format	article
author	Dieudonné Djackba Danra Hartmut Koehler Elias Nchiwan Nukenine
author_facet	Dieudonné Djackba Danra Hartmut Koehler Elias Nchiwan Nukenine
author_sort	Dieudonné Djackba Danra
title	Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon
title_short	Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon
title_full	Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon
title_fullStr	Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon
title_full_unstemmed	Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon
title_sort	assessing a revitec measure to combat soil degradation by studying acari and collembola from ngaoundéré, adamawa, cameroon
publisher	Senckenberg Gesellschaft für Naturforschung
publishDate	2021
url	https://doaj.org/article/d422c8a922f54e73990c0d03991f6ff6
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Assessing a ReviTec Measure to Combat Soil Degradation by studying Acari and Collembola from Ngaoundéré, Adamawa, Cameroon

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