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East Asia Biodiversity Conservation Network

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Title: Provisional Checklist of Species for Flora Northeastern Asia

Introduction

The vascular plants of Northeastern Asia is one of the lesser-known floras in Asia. Plant collections from this region have been conducted over a century, no extensive and comprehensive accounts of its flora exist. Various floras have been published on each countries since the 1980s, and local floras from Northeastern china, Far East Russia, Japan, and Korea represent the attempt as a national level, rather than regional flora.
The following checklist of Northeastern Asian flora is mainly based on this flora and the websites from far eastern Russia, Northeastern China, the northern part of Korea, and north of Japan which includes the Red List and several recent publications.
The USDA and Harvard’s Arnold Arboretum established a Zone Map based on the average annual minimum temperature to figure out how well a particular plant would survive the winter cold in their particular area. The hardiness zone map was created dividing the US into 13 Zones and was only concerned with the average of the lowest temperatures (Daly et al, 2010).
The recent development of geographic information systems (GIS) with various software packages have been developed to apply known ranges of suitable climatic conditions to describe geospatial patterns of plant (Sutherst and Maywald 1999; Houlder et al. 2000; McKenney et al. 2007).
Based on the several ten-year average winter temperatures, a plant hardiness zone map has been developed. This hardiness zone map can divide Eastern Asia into 11 separate planting zones. We choose 5 to 8 zones as the Northern Asian flora region based on the Asian hardiness zone map.
The eastern Asiatic region was subdivided into 13 provinces by Takhtajan. Here Manchurian and Sakhalin-Hokkaido provinces are recognized as a natural northern floristic area, but the delineation of this floristic region is still a problem open to discussion.
It has been found that floristic patterns are strongly associated with a hardiness zone map in local flora across the Korean peninsula.
Several lines were tentatively suggested as the boundary of province zones in Northern Asia from the biogeographical patterns of vascular plants. Manchurian and Sakhalin-Hokkaido provinces proposed by Takhtajan’s classification (Takhtajan, 1986) correspond well with the currently recognized northern boundary of the cold hardiness of Asia.
Taxonomic treatments among some of fern and fern allies and some families remain unresolved, and conflicts among each national flora exist. The another problem of the checklist is that the taxon is much splitted and the plants distributed in the surrounding countries are regarded as an independent or a new species, usually suggesting a new name.
This study suggests that areas remain poorly collected and that locality records are not always adequately represented here. Our aim is to assess whether distribution information obtained from the diverse herbaria from each countries adequately represented the known range of species. Our results highlight the relative importance of regional communication and cooperation internationally. It is recommended that this checklist in intended to be a reference as a first step in the digitalization of the material, rather than as a verified checklist.

YEAR

2020

Create date 2021-07-08 15:48:31

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If you need this book in a PDF file, please contact Hannah Kim at rimph77@korea.kr