Results 81 to 90 of about 30,387 (258)

Rediscovery of Passiflora clypeophylla (subgenus Decaloba): a highly threatened and narrow endemic species found within a karstic canyon in Guatemala

Nordic Journal of Botany, EarlyView.
Passiflora clypeophylla, an endemic species to the Guatemalan karstic forests last seen in 1889 and deemed extinct, was rediscovered in the Department of Alta Verapaz, east of Cobán. The species was known only from a single specimen hailed from the type locality, Rubel Cruz, where it has been found again. An additional location has been identified in a
J.R. Kuethe, Dennis I. Medina, Saban Sequen, Maura L. Quezada   +3 more
wiley   +1 more source

Sedum zhenghaianum (Crassulaceae), a new species from Zhejiang and Jiangxi, East China

Nordic Journal of Botany, EarlyView.
In this paper, Sedum zhenghaianum sp. nov. is described as a new species based on morphological and molecular analyses, and its taxonomic relationships are discussed. Morphological analysis indicates that S. zhenghaianum should be classified in the genus Sedum sect. Sedum and is distinct from the related species S. tosaense in morphology, e.g.
Shi‐Qi She, Shi‐Guo Huang, Yang Zhang, Shen‐Hao Yao, Zong‐Wei Zhu, Xin Zhou, Yue‐Liang Xu   +6 more
wiley   +1 more source

Incorporating climate data with machine learning can improve rice phenology estimation

Environmental Research Letters
Crop phenology provides essential information for crop management and production. Satellite-based methods are commonly used for phenology estimation but still struggle to capture interannual variations of phenological events.
Yiqing Liu, Weihang Liu, Tao Ye, Shuo Chen, Xuehong Chen, Zitong Li, Ning Zhan, Ran Sun   +7 more
doaj   +1 more source

Parakaempferia alba sp. nov. (Zingiberaceae), a new species from Arunachal Pradesh, India

Nordic Journal of Botany, EarlyView.
Parakaempferia alba, a new species of Zingiberaceae from East Siang district of Arunachal Pradesh, India is herein described. A detailed taxonomic description, diagnosis, color photoplate, distribution map, notes on habitat and ecology, conservation status, and a table of comparisons with the closely related species Parakaempferai synantha Rao & Verma ...
Tatum Mibang, Bipankar Hajong, Devpratim Koch, Pankaj Bharali   +3 more
wiley   +1 more source

Study on the changes in the temperature sensitivity of spring phenology of typical woody plants in the Qinling Mountains region

Frontiers in Earth Science
To reveal the responses of plant phenology and climate change in the Qinling Mountains region, the phenological data of seven woody plants in the Qinling Mountains region from 1964 to 2020 were selected to analyze the patterns and characteristics of ...
Shanhong Zhang, Qing Meng, Qian Ma, Hongying Bai, Shujuan Li   +4 more
doaj   +1 more source

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

Nordic Journal of Botany, EarlyView.
Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution ...
Umeshkumar L. Tiwari
wiley   +1 more source

Relationships between flowering phenology and community composition in an experimental restoration of northwest prairies

Ecosphere
Phenology, the timing of biological life cycles, is a key indicator of global climatic change, with numerous studies showing that species' phenologies are shifting in response to climate change.
Bryn Callie, Sarah Erskine, Jeffrey Diez
doaj   +1 more source

The Impact of Urbanization on Spatial–Temporal Variation in Vegetation Phenology: A Case Study of the Yangtze River Delta, China

Remote Sensing
The response of vegetation phenology to urbanization has become a growing concern. As impervious surfaces change as urbanization advances, the variation in vegetation phenology at the dynamic urbanization level was analyzed to significantly quantify the ...
Enyan Zhu, Dan Fang, Lisu Chen, Youyou Qu, Tao Liu   +4 more
doaj   +1 more source

Primula himalayana sp. nov., a new species from eastern Himalaya, India

Nordic Journal of Botany, EarlyView.
Primula himalayana sp. nov., a new species of Primulaceae, is described and illustrated from Tawang, Lutrem, 4238 m a.s.l., Arunachal Pradesh, India. It grows under Juniperus and Berberis scrub forest in an alpine meadow. The new species belong in Primula section Cordifoliae and is resembling P.
Bipankar Hajong, Harsh Singh, Pankaj Bharali   +2 more
wiley   +1 more source

Temporal evolution of soil drought stress and its relationship with climate change for tea plantations in the subtropical–warm temperate climate transition zone of China

Agricultural Water Management
Tea (Camellia sinensis (L.) Kuntze) plantation represents one of the most important artificial vegetation types in the subtropical–warm temperate climate transition zone of China.
Zhongdian Zhang, Miao Cai, Songzhu Ye, Tonghui Liu, Mingbin Huang, Wei Zhang, Shuangfeng Jiang, Chong Yao, Junhui Yan, Jiqiang Niu   +9 more
doaj   +1 more source