Results 31 to 40 of about 23,332,679 (341)

Ecological legacies of past human activities in Amazonian forests

New Phytologist, 2020
Summary In Amazonia, human activities that occurred hundreds of years ago in the pre‐European era can leave long‐lasting effects on the forests – termed ecological legacies. These legacies include the intentional or nonintentional enrichment or depletion
C. McMichael
semanticscholar   +1 more source

Attention-Based Convolutional Neural Network for Weakly Labeled Human Activities’ Recognition With Wearable Sensors [PDF]

IEEE Sensors Journal, 2019
Traditional methods of human activity recognition usually require a large amount of strictly labeled data for training classifiers. However, it is hard for one to keep a fixed activity when collecting desired activity data by wearable sensors, and the ...
Kun Wang, Jun He, L. Zhang
semanticscholar   +1 more source

A new, recently extinct subspecies of the Kuroiwa’s Leopard Gecko, Goniurosaurus kuroiwae (Squamata: Eublepharidae), from Yoronjima Island of the Ryukyu Archipelago, Japan

Acta Herpetologica, 2014
A new subspecies of the eublepharid gecko, Goniurosaurus kuroiwae, is described on the basis of fragmentary bones recovered from a midden on Yoronjima Island, Ryukyu Archipelago, Japan.
Yasuyuki Nakamura, Akio Takahashi, Hidetoshi Ota   +2 more
doaj   +1 more source

Multivariate statistical analysis to assess the surface water quality of a snow and glacier-fed river: A case from Alaknanda River basin

Water Science and Technology, 2023
The water quality of Himalayan rivers has declined due to human activities, untreated effluent discharge, and poor sewage and drainage systems. The current study aimed to assess the water quality of these rivers using multivariate statistical analysis ...
Kuldeep Singh Rautela, Dilip Kumar, Bhishm Singh Khati, Amit Rawat, Amit Kumar Dubey   +4 more
doaj   +1 more source

Heavy metal contamination in some soils of the McMurdo Sound region, Antarctica [PDF]

, 1995
Soil samples from eight sites at Marble Point and Pram Point, McMurdo Sound region, contaminated by human activities were examined for heavy metal content, using sequential extraction methods.
Amin, Z.H., Balks, Megan R., Campbell, Iain B., Claridge, G.G.C., Powell, H.K.J.   +4 more
core   +2 more sources

Geological history of the land area between Okinawa Jima and Miyako Jima of the Ryukyu Islands, Japan, and its phylogeographical significance for the terrestrial organisms of these and adjacent islands

Progress in Earth and Planetary Science, 2023
The modern and Late Pleistocene terrestrial fauna of Miyako Jima and adjacent islands (the Miyako Islands) in the southern Ryukyu Islands, southwestern Japan, includes some endemic taxa or genetically unique populations that exclusively have closest ...
Nana Watanabe, Kohsaku Arai, Makoto Otsubo, Mamoru Toda, Atsushi Tominaga, Shun Chiyonobu, Tokiyuki Sato, Tadahiro Ikeda, Akio Takahashi, Hidetoshi Ota, Yasufumi Iryu   +10 more
doaj   +1 more source

High and Low Water and Sediment Flows in the Five Tributaries of Poyang Lake

Guan'gai paishui xuebao, 2023
【Objective】 Located in Jiangxi province, Poyang Lake is the largest freshwater lake in China. It has five tributaries, and this paper analyzes the change in water and sediment flows at their confluences with the lake.
JIAN Hongfu, HAN Huiming
doaj   +1 more source

Borneocola (Zingiberaceae), a new genus from Borneo

PhytoKeys, 2016
A new genus from Borneo, Borneocola Y.Y.Sam, is described here. The genus currently contains eight species previously classified as members of the Scaphochlamys Baker.
Yen Yen Sam, Atsuko Takano, Halijah Ibrahim, Eliška Záveská, Fazimah Aziz   +4 more
doaj   +3 more sources

Human activities accelerated the degradation of saline seepweed red beaches by amplifying top‐down and bottom‐up forces [PDF]

, 2018
Salt marshes dominated by saline seepweed (Suaeda heteroptera) provide important ecosystem services such as sequestering carbon (blue carbon), maintaining healthy fisheries, and protecting shorelines. These salt marshes also constitute stunning red beach
Chen, Luzhen, Cong, Pifu, Du, Jinqiu, Hou, Wenhao, Lei, Wei, Li, Zhengjie, Liao, Guoxiang, Lu, Weizhi, Xiao, Jingfeng, Zhang, Jialin, Zhang, Yihui   +10 more
core   +3 more sources

Assessment of the direct and indirect effects of MPP+ and dopamine on the human proteasome: implications for Parkinson's disease aetiology [PDF]

, 2008
Mitochondrial impairment, glutathione depletion and oxidative stress have been implicated in the pathogenesis of Parkinson’s disease (PD), linked recently to proteasomal dysfunction.
Beck, KE, Billett, EE, Caneda-Ferrón, B, Costa, T, De, Girolamo, Layfield, R   +5 more
core   +1 more source