@article{10.11648/j.eeb.20230803.12,
  author = {Ranava Dieudonne and Maigari Pale and Massai TchimaJacob and Jean Boris Sounya and Ignatchimbie Bethlehem and IbrahimaWanié Sago and Tchobsala and Ibrahima Adamou},
  title = {Effect of Human Activities on the Degradation of Vegetation Cover in the Sudano-Guinean Savannahs of Adamaoua, Cameroon},
  journal = {Ecology and Evolutionary Biology},
  volume = {8},
  number = {3},
  pages = {55-66},
  doi = {10.11648/j.eeb.20230803.12},
  url = {https://doi.org/10.11648/j.eeb.20230803.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.eeb.20230803.12},
  abstract = {The high savannahs of Guinea are highly diverse and play an important role in maintaining biodiversity. However, they are periodically subjected to various pressures that sometimes have a negative impact on the productivity of these ecosystems. The aim of this study was to assess the impact of logging and bush fires on the regeneration dynamics of plant species in the high savannahs of Adamaoua, Cameroon. To this end, 18 square plots, each measuring 10 metres on a side, were delimited in both a shrub and tree savannah, following a randomised block experimental set-up with the different anthropogenic actions applied as treatments (logging without fire, logging with fire and control). During the two years of experimentation, the rate of erosion and biological degradation were assessed by simple observation, as well as some anthropisation indices. The results showed that 100% of the sites where wood was cut without fire (CSF) and cut with fire (CAF) had a flat surface in the tree savannas, unlike the shrub savannas where only the CAF and the control site (T) were all 66.67% flat. In the shrub savannah, zero erosion had the same rate (66.67%) for the three different treatments. However, it was 100% for the CSF treatments, 66.67% for the control sites and 33.33% for the CAF sites in the shrub savannas. The fine structure is represented in all treatments; it is 100% in the CAF treed savannah treatments and 66.67% in the CSF shrub and tree savannah treatments. Ground cover by vegetation is very high, at 100% in the treed savannah, 66.67% in the CSF and 33.33% in the CAF and T treatments in the shrub savannah. Regardless of the type of savannah, grazing is the most common activity, with a rate of 66.67%. The presence of termite mounds (33.33%), anthills (33.33%) and wood cuttings (33.33%) is moderately represented. The rate of soil degradation by livestock is 66.67% at the CSF and CAF sites, but 100% at the T site. In the wooded savannah, this rate is 100% in the CSF and CAF sites, but T is only impacted by livestock at a rate of 66.67%. There has been a remarkable increase in the area of shrub savannah (129411 ha), and a 14.56% reduction in the area of gallery forests between 2007 and 2017.},
 year = {2023}
}

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TY  - JOUR
T1  - Effect of Human Activities on the Degradation of Vegetation Cover in the Sudano-Guinean Savannahs of Adamaoua, Cameroon
AU  - Ranava Dieudonne
AU  - Maigari Pale
AU  - Massai TchimaJacob
AU  - Jean Boris Sounya
AU  - Ignatchimbie Bethlehem
AU  - IbrahimaWanié Sago
AU  - Tchobsala
AU  - Ibrahima Adamou
Y1  - 2023/08/31
PY  - 2023
N1  - https://doi.org/10.11648/j.eeb.20230803.12
DO  - 10.11648/j.eeb.20230803.12
T2  - Ecology and Evolutionary Biology
JF  - Ecology and Evolutionary Biology
JO  - Ecology and Evolutionary Biology
SP  - 55
EP  - 66
PB  - Science Publishing Group
SN  - 2575-3762
UR  - https://doi.org/10.11648/j.eeb.20230803.12
AB  - The high savannahs of Guinea are highly diverse and play an important role in maintaining biodiversity. However, they are periodically subjected to various pressures that sometimes have a negative impact on the productivity of these ecosystems. The aim of this study was to assess the impact of logging and bush fires on the regeneration dynamics of plant species in the high savannahs of Adamaoua, Cameroon. To this end, 18 square plots, each measuring 10 metres on a side, were delimited in both a shrub and tree savannah, following a randomised block experimental set-up with the different anthropogenic actions applied as treatments (logging without fire, logging with fire and control). During the two years of experimentation, the rate of erosion and biological degradation were assessed by simple observation, as well as some anthropisation indices. The results showed that 100% of the sites where wood was cut without fire (CSF) and cut with fire (CAF) had a flat surface in the tree savannas, unlike the shrub savannas where only the CAF and the control site (T) were all 66.67% flat. In the shrub savannah, zero erosion had the same rate (66.67%) for the three different treatments. However, it was 100% for the CSF treatments, 66.67% for the control sites and 33.33% for the CAF sites in the shrub savannas. The fine structure is represented in all treatments; it is 100% in the CAF treed savannah treatments and 66.67% in the CSF shrub and tree savannah treatments. Ground cover by vegetation is very high, at 100% in the treed savannah, 66.67% in the CSF and 33.33% in the CAF and T treatments in the shrub savannah. Regardless of the type of savannah, grazing is the most common activity, with a rate of 66.67%. The presence of termite mounds (33.33%), anthills (33.33%) and wood cuttings (33.33%) is moderately represented. The rate of soil degradation by livestock is 66.67% at the CSF and CAF sites, but 100% at the T site. In the wooded savannah, this rate is 100% in the CSF and CAF sites, but T is only impacted by livestock at a rate of 66.67%. There has been a remarkable increase in the area of shrub savannah (129411 ha), and a 14.56% reduction in the area of gallery forests between 2007 and 2017.
VL  - 8
IS  - 3
ER  - 

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