Search Results - "David Hyrenbach, K."

Validation of ATR FT-IR to identify polymers of plastic marine debris, including those ingested by marine organisms by Jung, Melissa R., Horgen, F. David, Orski, Sara V., Rodriguez C., Viviana, Beers, Kathryn L., Balazs, George H., Jones, T. Todd, Work, Thierry M., Brignac, Kayla C., Royer, Sarah-Jeanne, Hyrenbach, K. David, Jensen, Brenda A., Lynch, Jennifer M.

“…Polymer identification of plastic marine debris can help identify its sources, degradation, and fate. We optimized and validated a fast, simple, and accessible…”
Get full text

Community-wide patterns of plastic ingestion in seabirds breeding at French Frigate Shoals, Northwestern Hawaiian Islands by Rapp, Dan C., Youngren, Sarah M., Hartzell, Paula, David Hyrenbach, K.

“…Between 2006 and 2013, we salvaged and necropsied 362 seabird specimens from Tern Island, French Frigate Shoals, Northwestern Hawaiian Islands. Plastic…”
Get full text

Quantifying wedge-tailed shearwater (Ardenna pacifica) fallout after changes in highway lighting on Southeast O'ahu, Hawai'i by Urmston, Jennifer, Hyrenbach, K David, Swindle, Keith

“…Attraction to artificial light at night (ALAN) poses a threat to many fledgling seabirds leaving their nests for the first time. In Hawai'i, fledgling…”
Get full text

Habitat associations of floating debris and marine birds in the North East Pacific Ocean at coarse and meso spatial scales by Titmus, Andrew J., David Hyrenbach, K.

“…► Marine debris densities show small scale variation within the larger accumulation. ► Abundance of birds and debris show spatial separation at hourly scale. ►…”
Get full text

Top-down and bottom-up factors affecting seabird population trends in the California current system (1985–2006) by Ainley, David G., David Hyrenbach, K.

“…To characterize the environmental factors affecting seabird population trends in the central portion of the California current system (CCS), we analyzed…”
Get full text

Assessment of plastic ingestion by pole‐caught pelagic predatory fish from O'ahu, Hawai'i by Hyrenbach, K. David, McGinnis, Zora, Page, Kathleen, Rapp, Dan, Horgen, F. David, Lynch, Jennifer M.

“…Although the frequency of occurrence of plastic ingestion in the large‐sized dolphinfish and tunas taken by the Hawai'i longline fishery is very low (frequency…”
Get full text

Use of indicator chemicals to characterize the plastic fragments ingested by Laysan albatross by Nilsen, Frances, David Hyrenbach, K., Fang, Jiasong, Jensen, Brenda

“…•A method to characterize plastics of unknown provenance was developed.•Indicator chemicals to attribute plastic resin type are proposed.•Plastic fragments…”
Get full text

Environmental Drivers of Seabird At-Sea Distribution in the Eastern South Pacific Ocean: Assemblage Composition Across a Longitudinal Productivity Gradient by Serratosa, Juan, Hyrenbach, K. David, Miranda-Urbina, Diego, Portflitt-Toro, Matías, Luna, Nicolás, Luna-Jorquera, Guillermo

“…Seabird distributions are determined by physical and biological factors operating at variable scales and levels of ecological organization. Accordingly,…”
Get full text

Underwater behavior of Christmas Shearwaters Puffinus nativitatis from Kure Atoll by Nimz, Ilana, Renshaw, Mark A, Iacchei, Matthew, Vanderwerf, Eric, Vanderlip, Cynthia, Saunter, Matthew, Worcester, Naomi, Hyrenbach, K David

“…The Christmas Shearwater Puffinus nativitatis is an aquatic, tropical shearwater. While individuals of this species are known to forage by pursuit plunging and…”
Get full text

Shearwaters as ecosystem indicators: Towards fishery-independent metrics of fish abundance in the California Current by Lyday, Shannon E., Ballance, Lisa T., Field, David B., David Hyrenbach, K.

“…Shearwaters are ideal for monitoring ocean conditions in the California Current because these predators are abundant, conspicuous, and responsive to…”
Get full text

Summer-time use of west coast US National Marine Sanctuaries by migrating sooty shearwaters (Puffinus griseus) by Adams, Josh, MacLeod, Catriona, Suryan, Robert M., David Hyrenbach, K., Harvey, James T.

“…►We used satellite telemetry to track non-breeding Sooty Shearwaters in 2008–09. ►Sooty shearwaters spent majority of their time at sea over the continental…”
Get full text

Trophic signatures of seabirds suggest shifts in oceanic ecosystems by Gagne, Tyler O, Hyrenbach, K David, Hagemann, Molly E, Van Houtan, Kyle S

“…Pelagic ecosystems are dynamic ocean regions whose immense natural capital is affected by climate change, pollution, and commercial fisheries. Trophic…”
Get full text

MetaBARFcoding: DNA‐barcoding of regurgitated prey yields insights into Christmas shearwater (Puffinus nativitatis) foraging ecology at Hōlanikū (Kure Atoll), Hawaiʻi by Nimz, Ilana, Renshaw, Mark A., Baczenas, John, Vanderlip, Cynthia, Hyrenbach, K. David, Iacchei, Matthew

“…Morphological identification of digested prey remains from a generalist predator can be challenging, especially when attempting to match degraded remains to…”
Get full text

Oceanographic Habitat of an Endangered Mediterranean Procellariiform: Implications for Marine Protected Areas by Louzao, Maite, Hyrenbach, K. David, Arcos, José Manuel, Abelló, Pere, de Sola, Luis Gil, Oro, Daniel

“…Marine protected areas (MPAs) require ecologically meaningful designs capable of taking into account the particularities of the species under consideration,…”
Get full text

Quantifying Mesophotic Fish Assemblages of Hawai‘i’s Au‘au Channel: Associations With Benthic Habitats and Depth by Boland, Raymond C., Hyrenbach, K. David, DeMartini, Edward E., Parrish, Frank A., Rooney, John J.

“…Mesophotic reefs (30–150 m) occur in the tropics and subtropics at depths beyond most scientific diving, thereby making conventional surveys challenging. Towed…”
Get full text

Seabird Trophic Position Across Three Ocean Regions Tracks Ecosystem Differences by Gagné, Tyler O., Hyrenbach, K. David, Hagemann, Molly E., Bass, Oron L., Pimm, Stuart L., MacDonald, Mark, Peck, Brian, Houtan, Kyle S. Van

“…We analyze recently-collected feather tissues from two species of seabirds, the sooty tern (Onychoprion fuscatus) and brown noddy (Anous stolidus), in three…”
Get full text

Foraging destinations and marine habitat use of short-tailed albatrosses: A multi-scale approach using first-passage time analysis by Suryan, Robert M., Sato, Fumio, Balogh, Gregory R., David Hyrenbach, K., Sievert, Paul R., Ozaki, Kiyoaki

“…We used satellite telemetry, remotely sensed data (bathymetry, chlorophyll a (chl a), sea-surface temperature (SST), wind speed) and first-passage time (FPT)…”
Get full text

Community structure across a large-scale ocean productivity gradient: Marine bird assemblages of the Southern Indian Ocean by Hyrenbach, K. David, Veit, Richard R., Weimerskirch, Henri, Metzl, Nicolas, Hunt, George L.

“…Our objective was to understand how marine birds respond to oceanographic variability across the Southern Indian Ocean using data collected during an 16-day…”
Get full text

Towards a North Pacific Ocean long-term monitoring program for plastic pollution: A review and recommendations for plastic ingestion bioindicators by Savoca, Matthew S., Kühn, Susanne, Sun, ChengJun, Avery-Gomm, Stephanie, Choy, C. Anela, Dudas, Sarah, Hong, Sang Hee, Hyrenbach, K. David, Li, Tsung-Hsien, Ng, Connie Ka-yan, Provencher, Jennifer F., Lynch, Jennifer M.

“…Marine debris is now a ubiquitous component of the Anthropocene global ocean. Plastic ingestion by marine wildlife was first reported in the 1960s and since…”
Get full text

Plastic ingestion by Tristram's Storm-petrel (Oceanodroma tristrami) chicks from French frigate shoals, Northwestern Hawaiian Islands by Youngren, Sarah M., Rapp, Daniel C., Hyrenbach, K. David

“…This study provides the first quantification of plastic ingestion in the Tristram's Storm-petrel (Oceanodroma tristrami) in over 20 years. We found 100%…”
Get full text