A new study presents the first large-scale analysis of fire patterns in West and Central Africa's wet, tropical forests. The number of active fires there typically doubled over 18 years, particularly in the Congo Basin. The ...
Earth Sciences
59 minutes ago
0
35
The Earth now supports over eight billion people who collectively have transformed three-quarters of the planet's land surface for food, energy, shelter and other aspects of the human enterprise.
Ecology
3 hours ago
0
7
In less than eight years, white sharks in South Africa have all but disappeared from their historical hotspots in False Bay and Gansbaai, on the Western Cape coast. These areas were once known as the "white shark capital ...
Plants & Animals
4 hours ago
0
1
Scientists at the United States Department of Agriculture (USDA)'s Agricultural Research Service (ARS) and university research partners have developed a near chromosome-level genome for the Mojave poppy bee, a specialist ...
Ecology
4 hours ago
0
6
Current concentrations of carbon dioxide (CO₂) in Earth's atmosphere are unprecedented in human history. But CO₂ levels today, and those that might occur in coming decades, did occur millions of years ago.
Earth Sciences
May 1, 2024
0
3
The Republican-majority US House of Representatives on Tuesday passed a bill that would remove endangered species protections for the gray wolf across much of the country, sparking outrage among conservationists.
Ecology
May 1, 2024
0
284
Nitrogen deposition is one of the four main pressures on nature in Europe. Many of the Natura 2000 sites suffer from an excessive input of ammonium and nitrate from farming, industry, traffic and households, leading to the ...
Ecology
Apr 30, 2024
0
23
Understanding how different species manage to coexist in the same community, especially when competing for similar resources, remains a fascinating puzzle in ecology.
Plants & Animals
Apr 30, 2024
0
9
In winter 2021, Australia's frogs started dropping dead. People began posting images of dead frogs on social media. Unable to travel to investigate the deaths ourselves because of COVID lockdowns, we asked the public to report ...
Plants & Animals
Apr 30, 2024
0
9
A team of ecologists, environmentalists and biologists from several institutions in China, working with a colleague from Nepal and another in the U.S., has found an instance of mimicry in a species of necklaced laughingthrush. ...
In biology, a species is:
There are many definitions of what kind of unit a species is (or should be). A common definition is that of a group of organisms capable of interbreeding and producing fertile offspring, and separated from other such groups with which interbreeding does not (normally) happen. Other definitions may focus on similarity of DNA or morphology. Some species are further subdivided into subspecies, and here also there is no close agreement on the criteria to be used.
This text uses material from Wikipedia, licensed under CC BY-SA
