Tao Jiang

Zhejiang Chinese Medical University

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Songhui Lü

Jinan University

Keming Qu

Qingdao National Laboratory for Marine Science and Technology

Jian Yang

Chinese Academy of Fishery Sciences

Zhengguo Cui

Qingdao National Laboratory for Marine Science and Technology

Zhaohui Wang

Jinan University

Jingyi Cen

Jinan University

Lin Lü

Peking University

Chao Chai

Qingdao Agricultural University

Yuqiu Wei

Hainan Normal University

Tianjiu Jiang

Jinan University

Cooperative Institutions

Chinese Academy of Fishery Sciences

Ministry of Agriculture and Rural Affairs

Chinese Academy of Sciences

Jinan University

Qingdao National Laboratory for Marine Science and Technology

Ocean University of China

Zhejiang University

Xiamen University

University of Chinese Academy of Sciences

Laoshan Laboratory

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Short-term changes in algal blooms and phytoplankton community after the passage of Super Typhoon Lekima in a temperate and inner sea (Bohai Sea) in China

Ecotoxicology and Environmental Safety (2022)

Tao Jiang Guannan Wu Pengli Niu Zhengguo Cui Xiaodong Bian

Extensive multi-species harmful algal blooms (HABs) were triggered by Super Typhoon Lekima in Laizhou Bay (Bohai Sea) in August 2019. After conducting two field cruises before and after the typhoon passage, we employed both high-performance liquid chromatography (HPLC)-pigment and microscopic methods to study the changes in the phytoplankton community and biomass. Following the passage of Lekima, the average surface salinity decreased, while dissolved inorganic nitrogen and dissolved silicate concentrations increased in the study area. The phytoplankton abundance and Chl a significantly increased after the typhoon event. Post-typhoon, the highest abundance values of Pseudo-nitzschia spp., Noctiluca scintillans, and Coscinodiscus spp. reached 106 cells/L and those of Bacillaria paxillifera, Ceratium spp., and Gymnodinium catenatum were in the order of 105 cells/L. HPLC-pigment CHEMTAX analysis showed that the biomass (Chl a) of dinoflagellates, diatoms, cryptophytes, chlorophytes, and haptophytes increased significantly after the typhoon. The increase in Chl a concentration was mainly attributable to large-sized phytoplankton, which are mostly diatoms and dinoflagellates. This study highlights that typhoons may cause HABs by introducing large amounts of freshwater and nutrients and change the phytoplankton community in a temperate and inner bay.

Typhoon

Bloom

Red tide

Gymnodinium

10.1016/j.ecoenv.2022.113223

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Citations (38)

Learning a Deep Attention Dilated Residual Convolutional Neural Network for Landslide Susceptibility Mapping in Hanzhong City, Shaanxi Province, China

Remote Sensing (2023)

Yu Ma Shenghua Xu Tao Jiang Zhuolu Wang Yong Wang

The analysis and evaluation of landslide susceptibility are of great significance in preventing and managing geological hazards. Aiming at the problems of insufficient information caused by the limited number of landslide datasets, complex information of landslide evaluation factors, and low prediction accuracy of landslide susceptibility, a landslide susceptibility evaluation method based on the deep attention dilated residual convolutional neural network (DADRCNN) is proposed. First, the dilated convolution unit (DCU) is used to increase the network receptive field, aggregate multi-scale information, and enhance the model ability to capture the characteristics of landslide evaluation factors. Second, the deep residual module (DRM) is used to solve the issue of gradient disappearance and better extract data features by overlaying the residual function mapping layer and increasing the network depth. Finally, the channel attention residual module (CARM) is introduced to learn the varying importance of different landslide evaluation factors, and assign different weights to improve the susceptibility prediction accuracy. The experimental results show that the DADRCNN method can extract features around the sample points, expand the receptive field, and deeply mine the information. It mitigates the lack of sample information in training, focuses on important feature information, and significantly improves the prediction accuracy.

Convolution (computer science)

Feature (linguistics)

10.3390/rs15133296

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Citations (9)

Analysis of the rodent community diversity and species variation in the Junggar Basin

Biodiversity Science (1998)

Aniwar Daming Zhang Tao Jiang JIAN You-Li

准噶尔盆地啮齿动物群落多样性与物种变化的分析Ξ 张大铭艾尼瓦尔姜涛蹇友里 (新疆大学生物系 , 乌鲁木齐 830046) 摘要对准噶尔盆地的抽样调查 ,经聚类分析 ,该地区的鼠类可划分为 4 种群落 : (1) 以灰仓鼠 ( Crice2 t ul us m igratouri us) + 小家鼠 ( M us m uscul us) 为主的农田鼠类群落 ; (2) 以红尾沙鼠 ( Meriones eryt hrou2 rus) + 灰仓鼠为主的砾石荒漠鼠类群落 ; (3) 以褐家鼠 ( R att us norvegicus) + 小家鼠为主的城镇居民点鼠类群落 ; (4) 以子午沙鼠 ( M .meri dianus) + 三趾跳鼠 ( Di pus sagitta) 为主的梭梭荒漠鼠类群落。其群落多样性指数以群落 (4) 为最高 (1. 671),群落 (3) 最低 (0. 979) 。随着人类经济活动的增长 , 荒漠被大量开垦为农田 ,以及新兴市镇的涌现 ,使得原来以沙鼠属 ( Meriones) 和跳鼠科 (Dipodidae) 为主要成分的荒漠鼠类群落逐渐被喜潮湿的灰仓鼠和小家鼠所替代 ,有些地区还出现了以褐家鼠为主的新格局

Variation (astronomy)

10.17520/biods.1998014

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Citations (2)

Acute toxicity ofCochlodinium geminatumbloom waters from Pearl River Estuary on larvae of brine shrimp,fish and shrimp

JOURNAL OF FISHERIES OF CHINA (2013)

Ni Wu Tao Jiang Tianjiu Jiang Lv Songhui Qingliu Huan

Dinoflagellate genus Cochlodinium Schutt has been documented to form blooms along the coastlines of many countries and caused mass mortalities of fish or shellfish.From October to November,2009,harmful algal blooms(HABs)caused by dinoflagellate Cochlodinium geminatum broke out in the coastal waters in Zhuhai,Guangdong.The bloom covers more than 300 km2.In order to understand the toxicity of the bloom water,and provide some basis to the algae bloom management and further study of this species,acute toxicity of the bloom water against larvae of zooplankton Artemia salina,fish Scatophagus argus and shrimp Penaeus vannamei was investigated under room conditions.Moreover,feeding rate of A.salina on C.geminatum was also investigated in this paper.The results showed that LC50(Median Lethal Concentration)of C.geminatum against A.salina larvae was 9.55×104/mL within 24 h.LT50 of C.geminatum against A.salina larvae decreased with the increasing cell density.LT50 of C.geminatum with cell density of 2.5×103/mL against A.salina larvae was 48.5 h.No adverse effects of C.geminatum on the survival of fish and shrimp larvae was observed within 60 h.On the other hand,it was found that both A.salina and S.argus larvae could feed on C.geminatum.But the feeding rate of A.salina larvae was low.Overall,the bloom water of C.geminatum caused an impact on the survival of A.salina.C.geminatum with high cell density could cause mass mortality of A.salina larvae.However,A.salina could live on low cell densities of C.geminatum.Causes of the death of A.salina larvae may not be due to the ingestion of C.geminatum.C.geminatum caused acute toxicity neither against the S.argus larvae nor against the P.vannamei larvae.

Brine shrimp

Bloom

10.3724/sp.j.1231.2013.38620

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Comparison in diversity of eukaryotic algae in surface sediments from different functional sea areas of Qingdao coast, the Yellow Sea, China: a metabarcoding approach

Journal of Oceanology and Limnology (2021)

Zhaohui Wang Mingdan Lei Shuanghui Ji Changliang Xie Jiazhuo Chen

10.1007/s00343-021-1200-0

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Citations (3)

Plastic responses lead to increased neurotoxin production in the diatom Pseudo-nitzschia under ocean warming and acidification