Results 261 to 270 of about 292,957 (351)

Prolonged low flows and non‐native fish operate additively to alter insect emergence in mountain streams

open access: yesLimnology and Oceanography, EarlyView.
Abstract Climate‐induced flow alteration is decreasing snowpack and advancing snowmelt, subjecting mountain streams to longer low‐flow periods. Yet, anticipating how stream ecosystems respond to prolonged low flows remains challenging because distinct trophic levels can respond differently, and non‐native predators can dampen or amplify responses. Here,
Charlotte Evangelista   +5 more
wiley   +1 more source

Occurrence of 3-hydroxyalkanoic acids in sediments from the Guaymas basin (Gulf of California) [PDF]

open access: bronze, 1998
Jean Guézennec   +5 more
openalex   +1 more source

A low oxygen threshold for physiological responses and trace metal quotas of Prochlorococcus and Synechococcus

open access: yesLimnology and Oceanography, EarlyView.
Abstract Continued human activity is expected to accelerate ocean deoxygenation, leading to the expansion and shallowing of oxygen‐deficient zones (ODZs). This decline in oxygen may impact both phytoplankton growth and trace metal uptake. We conducted culture experiments with Prochlorococcus MIT9313 and Synechococcus XM‐24, two numerically dominant ...
Joan De Vera   +7 more
wiley   +1 more source

Reduced fish diversity despite increased fish biomass in a Gulf of California Marine Protected Area. [PDF]

open access: yesPeerJ, 2020
Ramírez-Ortiz G   +6 more
europepmc   +1 more source

Inhibition of cosmopolitan toxic diatom, Pseudo‐nitzschia, by seaweeds

open access: yesLimnology and Oceanography, EarlyView.
Abstract Pseudo‐nitzschia is a genus of harmful algal bloom (HAB)‐forming diatoms that can produce domoic acid (DA), a compound known to cause death and disease in marine wildlife as well as amnesic shellfish poisoning in humans. Here, we show the effects of multiple cultivable seaweeds—Saccharina latissima (sugar kelp), Ulva spp., and Gracilaria spp ...
Laine H. Sylvers, Christopher J. Gobler
wiley   +1 more source

Impact of nutritional history, prey quality, and quantity on grazing and photophysiological responses in the mixoplanktonic dinoflagellate Karenia brevis

open access: yesLimnology and Oceanography, EarlyView.
Abstract The mixotrophic toxic dinoflagellate Karenia brevis forms red tides almost annually along Florida's Gulf coast. We hypothesize that the nutritional status and abundance of its prey, the picocyanobacterium Synechococcus, will affect its feeding rates and growth responses, with implications for bloom dynamics.
So Hyun Ahn   +3 more
wiley   +1 more source

Mercury and selenium in three fish species from a dam 20 months after a mine-tailing spill in the SE Gulf of California ecoregion, Mexico. [PDF]

open access: yesEnviron Sci Pollut Res Int
Páez-Osuna F   +6 more
europepmc   +1 more source

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