Biophysical characterization and typology of interactions in the agroforests of central cameroon

IF 2 3区 农林科学 Q2 AGRONOMY Agroforestry Systems Pub Date : 2025-03-15 DOI:10.1007/s10457-024-01129-w
Alex Bruno Dong Etchike, Fawa Guidawa, Marie Louise Avana Tchientcheu, Victor François Nguetsop, Martin Benoit Ngassoum, Pierre Marie Mapongmetsem
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Abstract

Cameroonian agrarian landscapes are characterized by various agricultural and agroforestry practices. These agroforestry practices in particular are unfortunately disrupted by various pressures and effects of climate change. Few works have emerged contribution and the relevance of ecological interactions of plant associations in the conservation of diversity and dynamics of vegetation in the forest-savannah ecotones of central Cameroon. The overall objective of this work is to demonstrate the effectiveness of ecological interactions of agroforests.in the conservation and dynamics of vegetation in these ecotones. To do this, a participatory analysis was carried out with 74 farmers spread across five villages in Ndikiniméki for a sampling rate of 7%. Botanical inventories were carried out and the data collected were subject to various analyzes (analysis of variance, correlations, multivariate tests and dendrograms). Our results show a large specific variability (1626 individuals) for a total basal area of 13.66 m2/ha. Diameter and height classes are very heterogeneous and show respective peaks in the classes of [30–40 cm] and [≥ 50 cm] and higher values in the height classes [< 10 m] proof of good reconstruction of the local flora. Jaccard proximity index and correlation matrix reveal strong similarities between the floristic components of the different agroforests in the area. The Agroforests of medium architectural type (41.09%) characterize the agrarian landscape of this area and show 2 categories of associated woody species (introduced and native) divided into 3 functional woody types, namely: species of socio-economic interest high density (EIS1), low density (EIS2) and local species and pioneers of reforestation (ELPR). The typology of these agroecosystems shows 2 characteristic architectural profiles and 4 groups of agroforests with strong similarities.

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喀麦隆的农业景观以各种农业和农林业做法为特点。不幸的是,这些农林业做法受到各种压力和气候变化的影响。在保护喀麦隆中部森林-草原生态区植被的多样性和动态方面,植物群落的生态相互作用的贡献和相关性鲜有论述。这项工作的总体目标是证明农林生态相互作用在保护这些生态区植被和植被动态方面的有效性。为此,我们在 Ndikiniméki 的五个村庄对 74 位农民进行了参与式分析,抽样率为 7%。我们进行了植物学调查,并对收集到的数据进行了各种分析(方差分析、相关性分析、多元检验和树枝图)。我们的结果表明,在 13.66 平方米/公顷的总基部面积上,植物的具体变异性很大(1626 个个体)。直径和高度等级非常不均匀,在[30-40 厘米]和[≥ 50 厘米]等级中显示出各自的峰值,在[< 10 米]高度等级中显示出更高的值,证明当地植物区系的重建情况良好。Jaccard 相近指数和相关矩阵显示,该地区不同农林的植物成分之间有很强的相似性。中等建筑类型的农林(41.09%)是该地区农业景观的特征,显示出两类相关木本物种(引进和本地),分为 3 种功能性木本类型,即:高密度社会经济利益物种(EIS1)、低密度物种(EIS2)以及本地物种和造林先锋(ELPR)。这些农业生态系统的类型学显示出 2 种特征性的建筑轮廓和 4 组具有高度相似性的农林。
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来源期刊
Agroforestry Systems
Agroforestry Systems 农林科学-林学
CiteScore
5.30
自引率
9.10%
发文量
78
审稿时长
4.5 months
期刊介绍: Agroforestry Systems is an international scientific journal that publishes results of novel, high impact original research, critical reviews and short communications on any aspect of agroforestry. The journal particularly encourages contributions that demonstrate the role of agroforestry in providing commodity as well non-commodity benefits such as ecosystem services. Papers dealing with both biophysical and socioeconomic aspects are welcome. These include results of investigations of a fundamental or applied nature dealing with integrated systems involving trees and crops and/or livestock. Manuscripts that are purely descriptive in nature or confirmatory in nature of well-established findings, and with limited international scope are discouraged. To be acceptable for publication, the information presented must be relevant to a context wider than the specific location where the study was undertaken, and provide new insight or make a significant contribution to the agroforestry knowledge base
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