Wild fisheries
A fishery is an area with an associated fish or aquatic population which is harvested for its commercial value. Fisheries can be marine (saltwater) or freshwater. They can also be wild or farmed.Wild ...
Wild fisheries - Wikipedia
Squids And Octopuses — The ‘Weeds Of The Sea’ — Are On The Rise
While humans were busy wrecking the ocean, cephalopods were taking advantage. I for one welcome our cephalopod overlords. The number of cephalopods — squid, octopus and other squishy sea aliens — has ...
New Snake Species With Pitch Black Eyes From The Andes Highlights Hidden Diversity
Extremely rare and hidden in the forests of the Andes, there are still new snake species left to find. This has recently been evidenced by the colubrid serpent, described for the first time in the pre...
What Makes A Leader? Clues From The Animal Kingdom
As the American media continues to buzz over who is more or less likely to secure the Republican and Democratic nominations for US President, researchers in the journal Trends in Ecology & Evolution r...
Research Suggests Marine Invasive Species Benefit From Rising CO2 Levels
Ocean acidification may well be helping invasive species of algae, jellyfish, crabs and shellfish to move to new areas of the planet with damaging consequences, according to the findings of a new repo...
New Giant Tortoise Species Found In Galapagos
The discovery of the new species, detailed in a study reported today (Oct. 21) in the journal "PLOS ONE," is likely to help focus attention on the newly named Eastern Santa Cruz Tortoise (Chelonoidis ...
Ocean Plastic Could Be Found In 99 Percent Of Seabird Species By 2050
Humans are dumping so much plastic debris into the water that by 2050 nearly every single seabird species could have some of it in their gut. In a study published Monday, researchers from the Commonwe...
Without Humans, The Whole World Could Look Like Serengeti
The fact that the greatest diversity of large mammals is found in Africa reflects past human activities -- and not climatic or other environmental constraints. This is determined in a new study, which...
Better Estimates Of Worldwide Mercury Pollution
New findings show Asia produces twice as much mercury emissions as previously thought. Once mercury is emitted into the atmosphere from the smokestacks of power plants, the pollutant has a complicated...
Diversity & Inclusion – Love Has No Labels
While the vast majority of Americans consider themselves unprejudiced, many of us unintentionally make snap judgments about people based on what we see—whether it’s race, age, gender, religion, sexual...
Ocean acidification spells trouble for shellfish industry
A new study finds that ocean acidification due to climate change may seriously hurt the U.S. shellfish industry
Visualising 268,000 tonnes of floating plastic in the world's ocean - National - NZ Herald News
Data visualisation and the guest data blog post by dumpark . A recent study on marine plastic pollution published in the journal PlosOne estimates that some 5.25 trillion plastic particles weighi...
Predator fish
Predatory fish are fish that predate upon other fish or animals. Some predatory fish include perch, muskie (muskellunge), pike, walleye, and salmon.Levels of large predatory fish in the global oceans ...
Forage fish
Forage fish, also called prey fish or bait fish, are small pelagic fish which are preyed on by larger predators for food. Predators include other larger fish, seabirds and marine mammals. Typical ocea...
Forage fish - Wikipedia
Pelagic fish
Pelagic fish live in the pelagic zone of ocean or lake waters - being neither close to the bottom nor near the shore - in contrast with demersal fish, which do live on or near the bottom, and reef fis...
Pelagic fish - Wikipedia
Demersal fish
Demersal fish live and feed on or near the bottom of seas or lakes (the demersal zone). They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks. In coastal waters...
Demersal fish - Wikipedia
Coral reef fish
Coral reef fish are fish which live amongst or in close relation to coral reefs. Coral reefs form complex ecosystems with tremendous biodiversity. Among the myriad inhabitants, the fish stand out as p...
Coastal fish
Coastal fish, also called offshore fish or neritic fish, inhabit the sea between the shoreline and the edge of the continental shelf. Since the continental shelf is usually less than 200 metres deep, ...
Coastal fish - Wikipedia
Lentic ecosystems
A lake ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions.Lake ecosystems are a prime example of lentic ecosystem...
Lentic ecosystems - Wikipedia
Lotic ecosystem
The ecosystem of a river is the river viewed as a system operating in its natural environment, and includes biotic (living) interactions amongst plants, animals and micro-organisms, as well as abiotic...
Lotic ecosystem - Wikipedia
Marine pollution
Marine pollution occurs when harmful, or potentially harmful, effects result from the entry into the ocean of chemicals, particles, industrial, agricultural and residential waste, noise, or the spread...
Marine pollution - Wikipedia
Marine debris
Marine debris, also known as marine litter, is human-created waste that has deliberately or accidentally been released in a lake, sea, ocean or waterway. Floating oceanic debris tends to accumulate at...
Marine debris - Wikipedia
Mercury in fish
Fish and shellfish concentrate mercury in their bodies, often in the form of methylmercury, a highly toxic organic compound of mercury. Fish products have been shown to contain varying amounts of heav...
Mercury in fish - Wikipedia
Eutrophication
Eutrophication (Greek: eutrophia—healthy, adequate nutrition, development; German: Eutrophie) or more precisely hypertrophication, is the ecosystem response to the addition of artificial or natura...
Eutrophication - Wikipedia
Ocean acidification
Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide (CO2) from the atmosphere. An estimated 30–40% of the carbon dioxide released by hum...
Ocean acidification - Wikipedia
Environmental effects of fishing
The environmental impact of fishing includes issues such as the availability of fish, overfishing, fisheries, and fisheries management; and issues around the impact of fishing on other elements of the...
Environmental effects of fishing - Wikipedia