Search Results - "Takekawa, John"

Avian influenza H5N1 viral and bird migration networks in Asia by Tian, Huaiyu, Zhou, Sen, Dong, Lu, Van Boeckel, Thomas P., Cui, Yujun, Wu, Yarong, Cazelles, Bernard, Huang, Shanqian, Yang, Ruifu, Grenfell, Bryan T., Xu, Bing

“…Significance Highly pathogenic avian influenza virus H5N1 first emerged in Asia and subsequently unfolded into the first avian influenza panzootic, causing…”
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Statistical correction of lidar-derived digital elevation models with multispectral airborne imagery in tidal marshes by Buffington, Kevin J., Dugger, Bruce D., Thorne, Karen M., Takekawa, John Y.

“…Airborne light detection and ranging (lidar) is a valuable tool for collecting large amounts of elevation data across large areas; however, the limited ability…”
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Vertical Zonation and Niche Breadth of Tidal Marsh Plants Along the Northeast Pacific Coast by Janousek, Christopher N., Thorne, Karen M., Takekawa, John Y.

“…The distribution patterns of sessile organisms in coastal intertidal habitats typically exhibit vertical zonation, but little is known about variability in…”
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Wild bird migration across the Qinghai-Tibetan plateau: a transmission route for highly pathogenic H5N1 by Prosser, Diann J, Cui, Peng, Takekawa, John Y, Tang, Mingjie, Hou, Yuansheng, Collins, Bridget M, Yan, Baoping, Hill, Nichola J, Li, Tianxian, Li, Yongdong, Lei, Fumin, Guo, Shan, Xing, Zhi, He, Yubang, Zhou, Yuanchun, Douglas, David C, Perry, William M, Newman, Scott H

“…Qinghai Lake in central China has been at the center of debate on whether wild birds play a role in circulation of highly pathogenic avian influenza virus…”
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The Sky Is Not the Limit: Use of a Spray Drone for the Precise Application of Herbicide and Control of an Invasive Plant in Managed Wetlands by Takekawa, John Y, Hagani, Jason S, Edmunds, Timothy J, Collins, Jesirae M, Chappell, Steven C, Reynolds, William H

“…Controlling non-native plant invasions that reduce the quality of preferred wetland habitats is a challenge for many wetland managers. Herbicides may be used…”
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U.S. Pacific coastal wetland resilience and vulnerability to sea-level rise by Thorne, Karen, MacDonald, Glen, Guntenspergen, Glenn, Ambrose, Richard, Buffington, Kevin, Dugger, Bruce, Freeman, Chase, Janousek, Christopher, Brown, Lauren, Rosencranz, Jordan, Holmquist, James, Smol, John, Hargan, Kathryn, Takekawa, John

“…We used a first-of-its-kind comprehensive scenario approach to evaluate both the vertical and horizontal response of tidal wetlands to projected changes in the…”
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The impact of surveillance and control on highly pathogenic avian influenza outbreaks in poultry in Dhaka division, Bangladesh by Hill, Edward M, House, Thomas, Dhingra, Madhur S, Kalpravidh, Wantanee, Morzaria, Subhash, Osmani, Muzaffar G, Brum, Eric, Yamage, Mat, Kalam, Md A, Prosser, Diann J, Takekawa, John Y, Xiao, Xiangming, Gilbert, Marius, Tildesley, Michael J

“…In Bangladesh, the poultry industry is an economically and socially important sector, but it is persistently threatened by the effects of H5N1 highly…”
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Quantification of damage to eelgrass (Zostera marina) beds and evidence-based management strategies for boats anchoring in San Francisco Bay by Kelly, Julia J., Orr, Daniel, Takekawa, John Y.

“…Seagrasses are highly productive, but human nearshore activities have reduced their global distribution by >29% since the twentieth century. In the United…”
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Eco-virological approach for assessing the role of wild birds in the spread of avian influenza H5N1 along the Central Asian Flyway by Newman, Scott H, Hill, Nichola J, Spragens, Kyle A, Janies, Daniel, Voronkin, Igor O, Prosser, Diann J, Yan, Baoping, Lei, Fumin, Batbayar, Nyambayar, Natsagdorj, Tseveenmyadag, Bishop, Charles M, Butler, Patrick J, Wikelski, Martin, Balachandran, Sivananinthaperumal, Mundkur, Taej, Douglas, David C, Takekawa, John Y

“…A unique pattern of highly pathogenic avian influenza (HPAI) H5N1 outbreaks has emerged along the Central Asia Flyway, where infection of wild birds has been…”
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Strong and consistent effects of waterbird composition on HPAI H5 occurrences across Europe by Yin, Shenglai, Xu, Chi, Zhang, Yong, Boer, Willem F., Mundkur, Taej, Artois, Jean, Velkers, Francisca C., Takekawa, John Y., Si, Yali, Tian, Huaiyu, Han, Guan‐Zhu, Chen, Yuyang, Chai, Hongliang, Cui, Lijuan, Huang, Zheng Y. X.

“…Since 2014, highly pathogenic avian influenza (HPAI) H5 viruses of clade 2.3.4.4 have been dominating the outbreaks across Europe, causing massive deaths among…”
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Inundation, Vegetation, and Sediment Effects on Litter Decomposition in Pacific Coast Tidal Marshes by Janousek, Christopher N., Buffington, Kevin J., Guntenspergen, Glenn R., Thorne, Karen M., Dugger, Bruce D., Takekawa, John Y.

“…The cycling and sequestration of carbon are important ecosystem functions of estuarine wetlands that may be affected by climate change. We conducted…”
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Potential spread of highly pathogenic avian influenza H5N1 by wildfowl: dispersal ranges and rates determined from large-scale satellite telemetry by Gaidet, Nicolas, Cappelle, Julien, Takekawa, John Y., Prosser, Diann J., Iverson, Samuel A., Douglas, David C., Perry, William M., Mundkur, Taej, Newman, Scott H.

“…1. Migratory birds are major candidates for long-distance dispersal of zoonotic pathogens. In recent years, wildfowl have been suspected of contributing to the…”
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Linking Mesoscale Spatial Variation in Methylmercury Production to Bioaccumulation in Tidal Marsh Food Webs by Hall, Laurie A., Woo, Isa, Marvin-DiPasquale, Mark, Takekawa, John Y., Krabbenhoft, David P., Yee, Donald, Grenier, Letitia, De La Cruz, Susan E. W.

“…Differences in sediment biogeochemistry among tidal marsh features with different hydrological and geomorphological characteristics, including marsh interiors,…”
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The trans-Himalayan flights of bar-headed geese (Anser indicus) by Hawkes, Lucy A., Balachandran, Sivananinthaperumal, Batbayar, Nyambayar, Butler, Patrick J., Frappell, Peter B., Milsom, William K., Tseveenmyadag, Natsagdorj, Newman, Scott H., Scott, Graham R., Sathiyaselvam, Ponnusamy, Takekawa, John Y., Wikelski, Martin, Bishop, Charles M.

“…Birds that fly over mountain barriers must be capable of meeting the increased energetic cost of climbing in low-density air, even though less oxygen may be…”
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Evidence of infection by H5N2 highly pathogenic avian influenza viruses in healthy wild waterfowl by Gaidet, Nicolas, Cattoli, Giovanni, Hammoumi, Saliha, Newman, Scott H, Hagemeijer, Ward, Takekawa, John Y, Cappelle, Julien, Dodman, Tim, Joannis, Tony, Gil, Patricia, Monne, Isabella, Fusaro, Alice, Capua, Ilaria, Manu, Shiiwuua, Micheloni, Pierfrancesco, Ottosson, Ulf, Mshelbwala, John H, Lubroth, Juan, Domenech, Joseph, Monicat, François

“…The potential existence of a wild bird reservoir for highly pathogenic avian influenza (HPAI) has been recently questioned by the spread and the persisting…”
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Contrasting migratory chronology and routes of Lesser Scaup: implications of different migration strategies in a broadly distributed species by Hall, Laurie, Latty, Christopher, Warren, Jeffrey, Takekawa, John, De La Cruz, Susan

“…Migration allows birds to improve fitness by exploiting seasonal resource peaks and avoiding limitations. Migration strategies may differ among individuals…”
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Potential effects of sea-level rise on plant productivity: species-specific responses in northeast Pacific tidal marshes by Janousek, Christopher N., Buffington, Kevin J., Thorne, Karen M., Guntenspergen, Glenn R., Takekawa, John Y., Dugger, Bruce D.

“…Coastal wetland plants are adapted to varying degrees of inundation. However, functional relationships between inundation and productivity are poorly…”
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Enhanced invertebrate prey production following estuarine restoration supports foraging for multiple species of juvenile salmonids (Oncorhynchus spp.) by Woo, Isa, Davis, Melanie J., Ellings, Christopher S., Nakai, Glynnis, Takekawa, John Y., De La Cruz, Susan

“…Estuaries provide crucial foraging resources and nursery habitat for threatened populations of anadromous salmon. As such, there has been a global undertaking…”
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Spatiotemporal changes in influenza A virus prevalence among wild waterfowl inhabiting the continental United States throughout the annual cycle by Kent, Cody M., Ramey, Andrew M., Ackerman, Joshua T., Bahl, Justin, Bevins, Sarah N., Bowman, Andrew S., Boyce, Walter M., Cardona, Carol J., Casazza, Michael L., Cline, Troy D., E. De La Cruz, Susan, Hall, Jeffrey S., Hill, Nichola J., Ip, Hon S., Krauss, Scott, Mullinax, Jennifer M., Nolting, Jacqueline M., Plancarte, Magdalena, Poulson, Rebecca L., Runstadler, Jonathan A., Slemons, Richard D., Stallknecht, David E., Sullivan, Jeffery D., Takekawa, John Y., Webby, Richard J., Webster, Robert G., Prosser, Diann J.

“…Avian influenza viruses can pose serious risks to agricultural production, human health, and wildlife. An understanding of viruses in wild reservoir species…”
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Disentangling the effects of habitat biogeochemistry, food web structure, and diet composition on mercury bioaccumulation in a wetland bird by Hall, Laurie A., Woo, Isa, Marvin-DiPasquale, Mark, Tsao, Danika C., Krabbenhoft, David P., Takekawa, John Y., De La Cruz, Susan E.W.

“…Methylmercury (MeHg) is a globally pervasive contaminant with known toxicity to humans and wildlife. Several sources of variation can lead to spatial…”
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