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Assessment of floral composition, structure and natural regeneration of the Tano Offin Globally Significant Biodiversity Area of Ghana
Journal of Tropical Ecology ( IF 1.4 ) Pub Date : 2021-07-15 , DOI: 10.1017/s0266467421000304
Regina Enninful Adotey 1 , Ebenezer Jeremiah Durosimi Belford 2
Affiliation  

Threats of forest degradation of the Tano Offin Globally Significant Biodiversity Area present the need to generate eco-information pertinent for its conservational purposes. Ten 50 m × 50 m plots (tree layer) were assessed for plant life forms with diameter ≥ 10 cm. A 10 m × 10 m plot (shrub layer) was located within each of the 50 m × 50 m plots where plant life forms with diameter < 10 cm were assessed. 1 m × 1 m quadrats (herb layer) were laid at the corners of the 50 m × 50 m plots and its centre for canopy closure and natural regeneration assessments. Plant species (240) belonging to 59 families were identified: 171 trees, 41 lianas, 11 shrubs, 7 herbs, 7 herbaceous climbers, 1 epiphyte, 1 grass and 1 fern. Species diversity () of the tree, shrub and herb layers was 2.55, 2.54 and 2.48 respectively. The average maximum tree height was 46.19 m and the basal area was 28.36 m2/ha, which is below the 35 m²/ha conventional basal area value of tropical forests. Celtis mildbraedii and Rinorea welwitschii were the most structurally significant species at the tree and shrub layers, respectively, and a total of 75 tree species were regenerating.

中文翻译:

评估加纳 Tano Offin 全球重要生物多样性区的花卉组成、结构和自然再生

塔诺奥芬全球重要生物多样性地区的森林退化威胁表明需要生成与其保护目的相关的生态信息。对 10 个 50 m × 50 m 的地块(树层)评估了直径 ≥ 10 cm 的植物生命形式。一个 10 m × 10 m 的地块(灌木层)位于每个 50 m × 50 m 的地块内,其中评估了直径 < 10 cm 的植物生命形式。1 m × 1 m 样方(草本层)放置在 50 m × 50 m 地块及其中心的拐角处,用于树冠闭合和自然更新评估。鉴定出植物59科240种:乔木171种、藤本植物41种、灌木11种、草本7种、草本攀援植物7种、附生植物1种、草1种、蕨类1种。物种多样性 (H) 的乔木、灌木和草本层数分别为 2.55、2.54 和 2.48。平均最大树高46.19 m,基面积28.36 m2/ha,低于 35 m²/ha 的热带森林常规基底面积值。毛竹圆头菜分别是乔木和灌木层结构上最重要的物种,共有 75 种树种正在再生。
更新日期:2021-07-15
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