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Fish stocks fluctuate with seawater temperature

Year-to-year fluctuations in seawater temperature are partly responsible for the much slower ups and downs in the abundance of marine fish stocks. This is the conclusion from a worldwide study by Wageningen University & Research, among others. Fish b.....»»

Category: topSource:  physorgJan 18th, 2022

Respiratory stress response that stunts temperate fish also affects coral reef fish

Coral reef fish, like the fish in other marine and freshwater ecosystems, are likely to reach smaller maximum sizes and start reproducing earlier with smaller and fewer eggs as climate change continues to warm up the ocean......»»

Category: topSource:  marketingvoxRelated NewsApr 18th, 2024

Effects of organic matter input and temperature change on soil aggregate-associated respiration and microbial carbon use

The Qinghai-Tibet Plateau is one of the most dramatically affected regions by global warming. For a long time, the region has been exposed by low temperature and soil moisture, which led to the severe inhibition of the soil biological activities and.....»»

Category: topSource:  physorgRelated NewsApr 18th, 2024

Weather and climate extremes in 2023 impacting the globe with emerging features

Globally, last year was the warmest for thousands of years, with a globally averaged temperature of at least 1.45°C greater than pre-industrial times. The year also saw an unprecedented string of extreme weather and climate events in many parts of t.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Spintronics: A new path to room temperature swirling spin textures

In some materials, spins form complex magnetic structures within the nanometer and micrometer scale in which the magnetization direction twists and curls along specific directions. Examples of such structures are magnetic bubbles, skyrmions, and magn.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Study reveals substantial global cost of climate inaction

Traditionally, estimates of how climate change will affect global economies have focused on the effects of annual temperature changes. However, the additional impacts of variability and extremes in rainfall and temperature have remained largely unexp.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Disease-resistant strains of carp provide advancements in aquaculture, enhance gefilte fish quality

A new study led by Prof. Lior David from the Faculty of Agriculture at the Hebrew University investigated the infectivity of disease-resistant and susceptible fish by examining their roles as shedders (infecting) and cohabitants (infected) in various.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Huge database gives insight into salmon patterns at sea

A massive new analysis of high seas salmon surveys is enhancing the understanding of salmon ecology, adding details about where various species congregate in the North Pacific Ocean and their different temperature tolerances. The study is published i.....»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Researchers reveal oceanic black carbon sink effect driven by seawater microdroplets

Pyrogenic carbon is widely produced during the incomplete combustion of biomass and fossil fuels on land. About one-third of pyrogenic carbon is exported to the ocean by rivers, and thereinto, the refractory fraction becomes the source of oceanic bla.....»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Novel method developed for phosphorescent multi-color carbon dots

A research team has devised a novel method to prepare carbonized polymer nanodots capable of emitting multi-color ultra-long room-temperature phosphorescence (RTP) from blue to green......»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Reproductive success improves after a single generation in the wild for descendants of some hatchery Chinook salmon

Researchers who created "family trees" for nearly 10,000 fish have found that first-generation, wild-born descendants of hatchery-origin Chinook salmon in an Oregon river show improved fitness......»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Unraveling differences in temperature sensitivity of soil organic matter decomposition under various oxygen conditions

Soil organic matter (SOM) decomposition is a key process that affects soil carbon storage and greenhouse gas emissions. Investigating the temperature sensitivity (Q10) of SOM decomposition and its regulating mechanisms is important for improving pred.....»»

Category: topSource:  physorgRelated NewsApr 15th, 2024

Salmon fishing off California"s coast banned for second year in a row

Salmon fishing off the coast of California will be banned for a second consecutive year, authorities said Wednesday, citing lower fish stocks impacted by drought and wildfires......»»

Category: topSource:  physorgRelated NewsApr 12th, 2024

Developing nutrient-rich fertilizer from toxic ammonia

Researchers have recently found out how to use algae to convert ammonia and nitrates into a nutrient-rich fertilizer or fish feed ingredients......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Unraveling the behavior of nanoconfined water and ice in extreme conditions

Understanding water behavior in nanopores is crucial for both science and practical applications. Scientists from City University of Hong Kong (CityU) have revealed the remarkable behavior of water and ice under high pressure and temperature, and str.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Scientists are grasping at straws while trying to protect infant corals from hungry fish

South Florida researchers trying to prevent predatory fish from devouring laboratory-grown coral are grasping at biodegradable straws in an effort to restore what some call the rainforest of the sea......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Smart vest turns fish into underwater spies, providing a glimpse into aquatic life like never before

Traditional techniques for observing fish behavior, largely dependent on vision-based systems, face substantial limitations, such as a confined range of observation and a limited duration of operation underwater. In response to these challenges, a re.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Sennheiser Momentum Sport earbuds take your temperature the easy way

The Sennheiser Momentum Sport squeezed a thermometer in the earbuds. The real question is whether you actually need that sort of stat in your daily workout......»»

Category: topSource:  digitaltrendsRelated NewsApr 10th, 2024

West Africa"s falling fish stocks: Illegal Chinese trawlers, climate change and artisanal fishing fleets to blame

Average fish catches by traditional fishing communities along the west African coast have declined significantly over the past three decades......»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Quantum behavior at room temperature: When laser light makes materials magnetic

The potential of quantum technology is huge but is today largely limited to the extremely cold environments of laboratories. Now, researchers from Stockholm University, the Nordic Institute for Theoretical Physics and the Ca' Foscari University of Ve.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

3D mouth of an ancient jawless fish suggests they were filter-feeders, not scavengers or hunters

Early jawless fish were likely to have used bony projections surrounding their mouths to modify their mouth shape while they collected food......»»

Category: topSource:  physorgRelated NewsApr 10th, 2024