Portal:Ecology

Acclimatisation societies were voluntary associations, founded in the 19th and 20th centuries, that encouraged the introduction of non-native species in various places around the world, in the hope that they would acclimatise and adapt to their new environments. The societies formed during the colonial era, when Europeans began to settle in numbers in unfamiliar locations. One motivation for the activities of the acclimatisation societies was that introducing new species of plants and animals (mainly from Europe) would enrich the flora and fauna of target regions. The movement also sought to establish plants and animals that were familiar to Europeans, while also bringing exotic and useful foreign plants and animals to centres of European settlement.

It is now widely understood that introducing species to foreign environments is often harmful to native species and to their ecosystems. For example, in Australia the environment was seriously harmed by overgrazing by rabbits. In North America house sparrows displaced and killed native birds. In New Zealand, introduced mammals such as possums and cats became threats to indigenous plants, birds and lizards. Around the world, salamander populations are threatened by introduced fungal infections. Consequently, the deliberate introduction of new species is now illegal in some countries. (Full article...)

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Batesian mimicry is a form of mimicry where a harmless species has evolved to imitate the warning signals of a harmful species directed at a predator of them both. It is named after the English naturalist Henry Walter Bates, who worked on butterflies in the rainforests of Brazil.

Batesian mimicry is the most commonly known and widely studied of mimicry complexes, such that the word mimicry is often treated as synonymous with Batesian mimicry. There are many other forms however, some very similar in principle, others far separated. It is often contrasted with Müllerian mimicry, a form of mutually beneficial convergence between two or more harmful species. However, because the mimic may have a degree of protection itself, the distinction is not absolute. It can also be contrasted with functionally different forms of mimicry. Perhaps the sharpest contrast here is with aggressive mimicry where a predator or parasite mimics a harmless species, avoiding detection and improving its foraging success. (Full article...)

Eugene Pleasants Odum (September 17, 1913 – August 10, 2002) was an American biologist at the University of Georgia known for his pioneering work on ecosystem ecology. He and his brother Howard T. Odum wrote the popular ecology textbook, Fundamentals of Ecology (1953). The Odum School of Ecology is named in his honor. (Full article...)

• ... that Enriqueta Medellín, a Mexican surgeon, has an ecological center and environmental prize named after her in the state of Aguascalientes?
• ... that scientist Adelaida K. Semesi was known as "mama mangroves" due to her specialist knowledge of their ecology?
• ... that ancient Roman gynecologists believed that menstrual blood could be used to drive dogs insane?
• ... that gynecologist Mary Lake Polan wrote a medical mystery novel to "demystify" the procedures behind in vitro fertilisation?
• ... that Luxembourgian myrmecologist Robert Stumper also played as a goalkeeper for his nation's football team?
• ... that King Gizzard & the Lizard Wizard's "cli-fi" thrash metal album addresses a mix of current ecological threats and attempts to find another planet to live on?

• April 23: European Union to reduce carbon emissions by 55% of 1990 levels by 2030
• November 27: Wikinews interviews Craig Farquharson, Liberal Democrat candidate for 2020 Groom by-election
• November 27: Wikinews interviews Sandra Jephcott, Sustainable Australia candidate for 2020 Groom by-election
• December 14: Greta Thunberg named 2019 Time Person of the Year
• November 23: Researchers break down deaths due to power plant pollution in the United States
• November 21: Slippery business: Materials scientists invent new coating for self-cleaning, water-efficient toilets
• October 19: Northern Arapaho Tribe welcomes buffalo herd in Wyoming, United States
• October 12: Scientists describe how 'upside-down rivers' of warm water break Antarctica's ice shelf
• October 5: Voracious fish defend coral reefs against warming, say scientists
• September 8: Scientists report skyrocketing phytoplankton population in aftermath of Kīlauea eruption

• November 5, 2009: "New ocean forming in African desert."

Frontiers in Ecology and the Environment is a peer-reviewed scientific journal. It is published ten times per year by the Ecological Society of America and is its official journal. Its focus is on present day concerns pertaining to ecological and environmental issues. (Full article...)