Search results
Results from the WOW.Com Content Network
In a small study of 26 decedents, [better source needed] the pandemized COVID-19 and infection-related disease were "major contributors" to patients' death. [12] Such deaths are sometimes evaluated via excess deaths per capita – the COVID-19 pandemic deaths between January 1, 2020, and December 31, 2021, are estimated to be ~18.2 million.
Ecological death is the inability of an organism to function in an ecological context, leading to death. [1] This term can be used in many fields of biology to describe any species .
Conceptual model describing the mechanisms of water flow attenuation within a beaver wetland with an unconfined floodplain. Ecohydrology (from Greek οἶκος, oikos, "house(hold)"; ὕδωρ, hydōr, "water"; and -λογία, -logia) is an interdisciplinary scientific field studying the interactions between water and ecological systems.
Disease ecology is a sub-discipline of ecology concerned with the mechanisms, patterns, and effects of host-pathogen interactions, particularly those of infectious diseases. [1] For example, it examines how parasites spread through and influence wildlife populations and communities.
Terrestrial ecosystems occupy 55,660,000 mi 2 (144,150,000 km 2), or 28.26% of Earth's surface. [5] Major plant taxa in terrestrial ecosystems are members of the division Magnoliophyta (flowering plants), of which there are about 275,000 species, and the division Pinophyta (conifers), of which there are about 500 species.
In ecology, extinction debt is the future extinction of species due to events in the past. The phrases dead clade walking and survival without recovery express the same idea. [1] Extinction debt occurs because of time delays between impacts on a species, such as destruction of habitat, and the species' ultimate disappearance.
Vannote himself described the current situation as follows, "in those days, most people studied a square meter of water to death [22] ”. Meaning that previous research was always only on small pieces of water and only rarely was the entire river system considered, allowing for the creation of a general model.
Major current environmental issues may include climate change, pollution, environmental degradation, and resource depletion.The conservation movement lobbies for protection of endangered species and protection of any ecologically valuable natural areas, genetically modified foods and global warming.