[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"item-2063":3},{"id":4,"title":5,"url":6,"summary":7,"summary_zh":8,"content":9,"source_name":10,"source_url":6,"published_at":11,"category":12,"cover_url":9,"hotness":13,"is_selected":14,"score":15,"score_detail":16,"sources":23,"tags":25,"view_count":31,"doi":32,"paper":33,"created_at":55},2063,"Higher vegetation diversity and stronger forest structure occur in managed zones despite widespread land cover degradation in Ise Forest Reserve Nigeria","https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs44415-026-00129-1","The forest ecosystem of Ise Forest Reserve in Nigeria is threatened by land-use conversion and timber exploitation. However, part of the enclave was managed under the Southwest\u002FNiger Delta Forest Project, described as the “managed zone”. This study investigated spatial differences in vegetation condition and temporal patterns of land-cover degradation by integrating systematic field sampling, remote sensing and geographic information technologies. Eleven 25 × 25 m plots were laid along 200 m transects during a field sampling exercise carried out in disturbed and managed zones and were used to test differences in species diversity and structural attributes. In total, 27 species (17 families) were recorded, with Ricinodendron heudelotii achieving the highest frequency ( n = 55) and Diospyros lotus exhibiting the most significant mean height (12.20 ± 0.00 m), canopy cover (18.60 ± 0.00 m), and diameter at breast height, DBH (138.13 ± 0.00 cm). Significant differences ( p \u003C 0.001) in height, DBH, and canopy cover were observed between the disturbed and managed zones. Vegetation diversity was higher in the managed zone than in the disturbed zone. The values of the Shannon–Wiener, Simpson concentration, and Margalef richness indices were higher in the managed zone than in the disturbed zone. The lower rates of farmland expansion and secondary forest loss in the managed zone indicated spatial differences in the severity of land degradation. Since data on the area’s pre-intervention stage for direct comparison were not available, the differences between the managed and disturbed zones could not be attributed solely to the 2021 conservation project and remain subject to review in a long-term evaluation.","尼日利亚伊势森林保护区的森林生态系统正受到土地利用转换和木材采伐的威胁。然而，该飞地的一部分在“西南\u002F尼日尔三角洲森林项目”下得到管理，被称为“管理区”。本研究通过整合系统野外采样、遥感与地理信息技术，探讨了植被状况的空间差异以及土地覆盖退化的时间格局。在受干扰区和管理区开展的野外采样中，沿200 m样带设置了11个25 × 25 m样方，用于检验物种多样性和结构属性的差异。共记录27个物种（17科），其中非洲樱桃（Ricinodendron heudelotii）出现频率最高（n = 55），而君迁子（Diospyros lotus）的平均高度（12.20 ± 0.00 m）、冠层盖度（18.60 ± 0.00 m）和胸径（DBH，138.13 ± 0.00 cm）最大。受干扰区与管理区在高度、胸径和冠层盖度方面存在显著差异（p \u003C 0.001）。管理区的植被多样性高于受干扰区。Shannon–Wiener指数、Simpson集中度指数和Margalef丰富度指数在管理区均高于受干扰区。管理区农田扩张和次生林丧失速率较低，表明土地退化严重程度存在空间差异。由于缺乏该地区干预前阶段的数据以进行直接比较，管理区与受干扰区之间的差异不能完全归因于2021年的保护项目，仍有待长期评估加以审视。",null,"Discover Forests","2026-09-08T00:00:00Z","论文",10,false,61,{"impact":17,"substance":18,"depth":19,"authority":20,"freshness":17,"relevant":21,"comment":22},8,18,15,12,1,"尼日利亚保护区管理成效的实证研究，方法扎实但地域性强、与国内三农信息化关联有限，可作为遥感生态监测案例参考。",[24],{"name":10,"url":6},[26,27,28,29,30],"生态修复","生物多样性","土地退化","遥感监测","森林保护",0,"10.1007\u002Fs44415-026-00129-1",{"doi":32,"openalex_id":34,"authors":35,"venue":10,"cited_by_count":31,"oa_url":47,"card":48,"direction":52,"ingested_from":54},"W7211968416",[36,39,41,43,45],{"name":37,"orcid":38},"Oluwatobi Emmanuel Olaniyi","https:\u002F\u002Forcid.org\u002F0000-0002-1421-9068",{"name":40,"orcid":9},"Elijah Ogunsakin",{"name":42,"orcid":9},"Babafemi Ogunjemite",{"name":44,"orcid":9},"Kawiyu Rafiu",{"name":46,"orcid":9},"Ebere Anozie","https:\u002F\u002Flink.springer.com\u002Fcontent\u002Fpdf\u002F10.1007\u002Fs44415-026-00129-1.pdf",{"tldr":49,"method":50,"finding":51,"direction":52,"opportunity":53},"研究尼日利亚Ise森林保护区管理区与干扰区的植被多样性和结构差异及土地覆盖退化。","野外样方调查、遥感与GIS结合，比较管理区和干扰区植被指标。","管理区植被多样性和森林结构显著优于干扰区，农田扩张和次生林损失更低。","农业遥感与作物表型","可开展长期监测评估保护项目效果，结合多时相遥感量化管理措施对植被恢复的因果影响。","openalex","2026-09-10T23:30:30.245193Z"]