James T Ketchum
Overview
Explore the profile of James T Ketchum including associated specialties, affiliations and a list of published articles.
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Articles
17
Citations
90
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0
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Recent Articles
1.
Dedman S, Moxley J, Papastamatiou Y, Braccini M, Caselle J, Chapman D, et al.
Science
. 2024 Aug;
385(6708):adl2362.
PMID: 39088608
In ecosystems, sharks can be predators, competitors, facilitators, nutrient transporters, and food. However, overfishing and other threats have greatly reduced shark populations, altering their roles and effects on ecosystems. We...
2.
Cerutti-Pereyra F, Drenkard E, Espinoza M, Finucci B, Galvan-Magana F, Hacohen-Domene A, et al.
Glob Chang Biol
. 2024 Jul;
30(7):e17373.
PMID: 38967106
Climate change is an environmental emergency threatening species and ecosystems globally. Oceans have absorbed about 90% of anthropogenic heat and 20%-30% of the carbon emissions, resulting in ocean warming, acidification,...
3.
Whitehead D, Gayford J, Pancaldi F, Gobbato J, Boldrin G, Tringali M, et al.
Mar Pollut Bull
. 2024 Feb;
201:116155.
PMID: 38401387
Sharks are particularly susceptible to bioaccumulation due to their life history characteristics and trophic position within marine ecosystems. Despite this, studies of bioaccumulation cover only a small proportion of extant...
4.
Le Croizier G, Lorrain A, Hoyos-Padilla M, Ketchum J, Amezcua-Martinez F, Le Loch F, et al.
Environ Pollut
. 2023 Aug;
336:122352.
PMID: 37562525
Biomass depletion caused by overfishing is likely to alter the structure of food webs and impact mercury transfer to marine predators. Although marine protected areas (MPAs) are spared from fishing...
5.
Devloo-Delva F, Burridge C, Kyne P, Brunnschweiler J, Chapman D, Charvet P, et al.
Ecol Evol
. 2023 Feb;
13(2):e9837.
PMID: 36844667
The Bull Shark () faces varying levels of exploitation around the world due to its coastal distribution. Information regarding population connectivity is crucial to evaluate its conservation status and local...
6.
Rodriguez-Arana Favela J, Hernandez S, Gonzalez-Armas R, Galvan-Magana F, Tripp-Valdez A, Hoyos-Padilla M, et al.
J Fish Biol
. 2022 Oct;
101(6):1623-1627.
PMID: 36208114
This study describes the genetic diversity and level of genetic differentiation of the scalloped hammerhead shark Sphyrna lewini from eight putative nursery areas in the Mexican Pacific Ocean, using the...
7.
Cambra M, Lara-Lizardi F, Penaherrera-Palma C, Hearn A, Ketchum J, Zarate P, et al.
PLoS One
. 2021 Nov;
16(11):e0244343.
PMID: 34793440
Understanding the link between seamounts and large pelagic species (LPS) may provide important insights for the conservation of these species in open water ecosystems. The seamounts along the Cocos Ridge...
8.
Aquino-Baleyto M, Leos-Barajas V, Adam T, Hoyos-Padilla M, Santana-Morales O, Galvan-Magana F, et al.
Ecol Evol
. 2021 Nov;
11(21):14932-14949.
PMID: 34765151
Fine-scale movement patterns are driven by both biotic (hunting, physiological needs) and abiotic (environmental conditions) factors. The energy balance governs all movement-related strategic decisions.Marine environments can be better understood by...
9.
Queiroz N, Humphries N, Couto A, Vedor M, da Costa I, Sequeira A, et al.
Nature
. 2021 Jul;
595(7866):E8-E16.
PMID: 34234330
No abstract available.
10.
Queiroz N, Humphries N, Couto A, Vedor M, da Costa I, Sequeira A, et al.
Nature
. 2021 Jul;
595(7866):E20-E28.
PMID: 34234328
No abstract available.