Species diversity and spatial distribution of Begonia L. (Begoniaceae) in the Daweishan Range, Yunnan Province, China

Phytotaxa ◽  
2019 ◽  
Vol 415 (1) ◽  
pp. 1-31 ◽  
Author(s):  
WEN-HONG CHEN ◽  
SU-HUA HUANG ◽  
AUNG AUNG ◽  
HUI-KUN YUAN ◽  
YU-MIN SHUI
Keyword(s):  
Spatial Distribution ◽  
Species Diversity ◽  
Geographical Distribution ◽  
Yunnan Province ◽  
Southwestern China ◽  
Floristic Diversity ◽  
Infraspecific Taxa ◽  
Distribution And Ecology

Seven sections and 50 species and infraspecific taxa of Begonia have been recorded in the Daweishan Range of Yunnan Province, southwestern China. This work aims to analyze the relationships between their geographical distribution and ecology, review their floristic diversity, and elucidate the abundance and horticultural value of Begonia resources in this region.

The Oriental bamboo-feeding genus Bambusiphaga Huang & Ding, 1979 (Hemiptera: Delphacidae: Tropidocephalini): a checklist, a key to the species and descriptions of two new species

Zootaxa ◽  
2011 ◽  
Vol 2879 (1) ◽  
pp. 50 ◽  
Author(s):  
LIN YANG ◽  
XIANG-SHENG CHEN
Keyword(s):  
New Species ◽  
Geographical Distribution ◽  
Host Plants ◽  
Yunnan Province ◽  
Southwestern China ◽  
Two New Species

A checklist of the known species of the Oriental bamboo-feeding genus Bambusiphaga Huang & Ding, 1979 (Hemiptera: Fulgoromorpha: Delphacidae: Delphacinae: Tropidocephalini) together with their host plants and geographical distribution and a key to the known species in the genus are provided. Two new species, B. kunmingensis sp. nov. and B. yangi sp. nov., are described and illustrated from Yunnan Province, southwestern China.

Review of species of the Stachys section Satureoides (Lamiaceae)

2018 ◽  
pp. 125-129
Author(s):  
T. V. Krestovskaya
Keyword(s):  
Geographical Distribution ◽  
Critical Review ◽  
Corolla Tube ◽  
Infraspecific Taxa

On the base of a critical review of the material kept in the most of main European and some Asian Herbaria, a synopsis of the genus Stachys L. section Satureoides R. Bhattacharjee is given. The description of the section is enlarged (calyx 5–10(15)-veined, upper floral leaves often with short spinescent tip, stamens slightly exserted from the corolla tube). The section is represented by 4 species distributed in Turkey, Syria, Iraq and Iran. The keys for determination of its species and infraspecific taxa are compiled. The data on main synonyms, ecology, geographical distribution and types are given. The lectotypes of S. satureioides Montbret et Aucher ex Benth., S. ramosissima Montbret et Aucher ex Benth., S. burgsdorffioides (Benth.) Boiss. and S. burgsdorffioides subsp. ladanoides Hand.-Mazz. are designated.

Species Diversity and Eco-geographical Distribution of Dinoflagellate Cysts in the Bohai Sea, China

2012 ◽  
Vol 47 (2) ◽  
pp. 125-132 ◽  
Author(s):  
Wang Yan ◽  
Huang Lin ◽  
Gu Haifeng ◽  
Li Shuang ◽  
Li Shaoshan
Keyword(s):  
Species Diversity ◽  
Geographical Distribution ◽  
Bohai Sea ◽  
Dinoflagellate Cysts ◽  
The Bohai Sea

scholarly journals Mapping Panax Notoginseng Plantations by Using an Integrated Pixel- and Object-Based (IPOB) Approach and ZY-3 Imagery

2021 ◽  
Vol 13 (11) ◽  
pp. 2184
Author(s):  
Zhiqi Yang ◽  
Jinwei Dong ◽  
Weili Kou ◽  
Yuanwei Qin ◽  
Xiangming Xiao
Keyword(s):  
Spatial Distribution ◽  
Yunnan Province ◽  
Vascular Diseases ◽  
Panax Notoginseng ◽  
Traditional Herbal Medicine ◽  
Target Class ◽  
Object Based ◽  
The Government ◽  
Level Scale ◽  
Iteration Analysis

Plantations of Panax notoginseng (PN), traditional herbal medicine for the prevention and treatment of vascular diseases, are expanding rapidly in China, especially in the Yunnan province of China, due to its increasing demands and prices and causing dramatic environmental concerns. However, existing information on its planting area and spatial distribution are limited. Here, we mapped the PN planting area by using a new integrated pixel- and object-based (IPOB) approach, the Random Forest (RF) classifier, and the high-resolution ZiYuan-3 (ZY-3) imagery. We improved the procedures of classification in three aspects: (1) a new spectral index—Normalized Difference PN Index (NDPI)—was proposed, (2) the efficiency and scale of segmentation were optimized by using the Bi-level Scale-sets Model (BSM), and (3) feature variables were selected through an iteration analysis from 99 feature variables (spectral, textural, geometric, and geographic). Compared with the pixel- and the object-based methods, the IPOB has the highest F1 score of 0.98 and also has high robustness in terms of user and producer accuracies (97% and 99%, respectively), following by the object-based method (F1 = 0.94) and the pixel-based method (F1 = 0.93). The high accuracy was expected since the target class has very distinctive spectral and textural characteristics. Although all three approaches showed reasonably high accuracies due to the application of the NDPI and optimized procedures, the result showed the outperformance of the proposed IPOB approach. The framework established in this study expects to apply for regional or national PN surveys extensively. The information on the area and spatial distribution of PN can guide the government on policy making for the planting and exporting of traditional Chinese medicine resources.

Two new species of the Rhopalopsole magnicerca group (Plecoptera: Leuctridae) from China

Zootaxa ◽  
2018 ◽  
Vol 4388 (3) ◽  
pp. 444
Author(s):  
RAORAO MO ◽  
GUOQUAN WANG ◽  
DING YANG ◽  
WEIHAI LI
Keyword(s):  
New Species ◽  
Yunnan Province ◽  
Southern China ◽  
Southwestern China ◽  
Autonomous Region ◽  
Two New Species

Two leuctrid species of the Rhopalopsole magnicerca group are described as new, R. brevicula sp. nov. and R. jizushana sp. nov. from the Guangxi Autonomous Region of southern China, bordering Vietnam and Yunnan Province of southwestern China, respectively. The new species are compared with related taxa. 

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