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Flora of Mt.Baohua National Forest Park and Its Biodiversity Connectivity

Author: LingYun
Tutor: ZhangGuangFu
School: Nanjing Normal University
Course: Botany
Keywords: Treasure Mountain National Forest Park Floristic Geography Plant diversity Connectivity
CLC: Q948
Type: Master's thesis
Year: 2011
Downloads: 70
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Abstract

Based on the analysis Zhenjiang Baohua Mountain National Forest Park flora on the basis of geography and biodiversity, flora research already combined of the Laoshan National Forest Park and Niushoushan Forest Park, explore the Ningzhen Mountains from the East to the West plant species the alternation of the distribution, characteristics and laws. The findings help to enrich the study of the flora of the subtropical region of China, at the same time can provide a basis for optimizing the network of nature reserves in Jiangsu Province. The main findings are as follows: (1) Treasure Mountain National Forest Park the vascular flora characteristics Baohuashan national forest park Total vascular plants, 122 families and 441 genera 737 ferns for 17 families, 20 genera and 23 species; seed plants 105 Branch, 421 genera and 714 species. Seeds Baohuashan flora oligonucleotide species family, oligonucleotide species most Division and the total number of genera, 53.28% and 33.26% respectively of the total. The dominant families of Gramineae, Compositae, Leguminosae, Rosaceae, Liliaceae, Labiatae, Umbelliferae, Caryophyllaceae, Ranunculaceae, Euphorbiaceae, Brassicaceae, Scrophulariaceae and cupule Division. Family and genus size composition of the flora species family containing oligonucleotide up, followed by single-species family, respectively, 53.28% and 29.51% of the total number of Division, a total of 101 families, constitute the main body of the Baohuashan flora. The oligonucleotide species containing 2-10 species and containing 11 - 20 species of medium-genus of species contained more than half of the total number of species involved in about half of the Division of vascular plants, constitute the main body of the treasure Huashan Wei pipe flora . The ancient families and genera and endemic genera, is an important distribution center for one of the Jiangsu rare and endangered plants. (2) National Forest Park in Baohuashan vascular flora of the nature Baohuashan fern flora geographical elements in Division genus level tropical nature is obvious, but the species level showed a strong temperate nature. Seed plants flora in Baohuashan complex geography ingredients, tropical nature is obvious to see from the Division level; slave and species level see the temperate elements dominant. And from the Division → are → species, a significant reduction in the proportion of flora tropical geographical elements, significant increase in the proportion of temperate geographical elements. (3) for plant diversity in species abundance, richness and flora species lineage differentiation of three indicators comparison Baohuashan seed flora flora biodiversity differences with eight neighborhood, the results showed that: Baohuashan Branch, is a species of the three levels of species abundance, floristic richness and germline differentiation degree are in the middle level of the nine regions, respectively, ranking the first five, four and five. The flora of Baohuashan biodiversity value ranking four of the nine regions; only consider the four study sites in Jiangsu Province, the largest regional biodiversity value Baohuashan. The region is the key biodiversity areas in Jiangsu, should strengthen the protection of biodiversity in the region, Baohua Mountain National Forest Park proposed to be upgraded to a national nature reserve. (4) Ningzhen Mountains seed plants connectivity the Ningzhen Mountains similarity to the species level between the three nature reserves of the West from the East Division, is a species of the three levels of decreasing statistical results Czekanowski coefficient and the Jaccard coefficient display, rather strong connectivity of the town Mountains seed plants, should further consider the ease of the flora circulation ecological corridor between different protected areas, in order to facilitate plant species along the biological corridor from a nature reserve to another nature reserve migration. Β diversity between nodes 3 kinds of water an average of more than 40.000%, the table Mingning town Mountains is one of the modern differentiation of the center of the seed plants. Cody index expedition results that the middle of Niushoushan important node Ningzhen Mountains. Therefore, it is necessary that the conduct of the protected area upgrade, to increase the protection efforts, in order to facilitate the formation of the ecological corridor of species migration. Presents the characteristics and differences of various nature reserves, we study the quality of its biodiversity, unique Jiangsu, China unique, rare and endangered plants and species under four different standards are given different weights, the results showed that the treasure Mountain National Forest Park biodiversity quality can not be replaced by the other two nature reserves.

Flora of Mt.Baohua National Forest Park and Its Biodiversity Connectivity

Abstract

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