Invasive plant in the context of "Overgrazing"

⭐ In the context of overgrazing, invasive plants are considered…

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⭐ Core Definition: Invasive plant

An invasive species is an introduced species that harms its new environment. Invasive species adversely affect habitats and bioregions, causing ecological, environmental, and/or economic damage. Since the 20th century, invasive species have become serious economic, social, and environmental threats worldwide.

Invasion of long-established ecosystems by organisms is a natural phenomenon, but human-facilitated introductions have greatly increased the rate, scale, and geographic range of invasion. For millennia, humans have served as both accidental and deliberate dispersal agents, beginning with their earliest migrations, accelerating in the Age of Discovery, and accelerating again with the spread of international trade. Notable invasive plant species include the kudzu vine, giant hogweed (Heracleum mantegazzianum), Japanese knotweed (Reynoutria japonica), and yellow starthistle (Centaurea solstitialis). Notable invasive animals include European rabbits (Oryctolagus cuniculus), domestic cats (Felis catus), and carp (family Cyprinidae).

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👉 Invasive plant in the context of Overgrazing

Overgrazing occurs when plants are exposed to intensive grazing for extended periods of time, or without sufficient recovery periods. It can be caused by either livestock in poorly managed agricultural applications, game reserves, or nature reserves. It can also be caused by immobile, travel restricted populations of native or non-native wild animals.

Overgrazing reduces the usefulness, productivity and biodiversity of the land and is one cause of desertification and erosion. Overgrazing is also seen as a cause of the spread of invasive species of non-native plants and of weeds. Degrading land, emissions from animal agriculture and reducing the biomass in a ecosystem contribute directly to climate change between grazing events.

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In this Dossier

Invasive plant in the context of Mosquito fern

Azolla (common called mosquito fern, water fern, and fairy moss) is a genus of seven species of aquatic ferns in the family Salviniaceae. They are extremely reduced in form and specialized, having a significantly different appearance to other ferns and more resembling some mosses or even duckweeds. Azolla filiculoides is one of two fern species for which a reference genome has been published. It is believed that this genus grew so prolifically during the Eocene (and thus absorbed such a large amount of carbon) that it triggered a global cooling event that has lasted to the present.

Azolla may establish as an invasive plant in areas where it is not native. In such a situation, it can alter aquatic ecosystems and biodiversity substantially by exhausting oxygen and covering water surface making underwater plants unable to photosynthesise.

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Invasive plant in the context of Perilla

Perilla is a genus consisting of one major Asiatic crop species Perilla frutescens and a few wild species in nature belonging to the mint family, Lamiaceae. The genus encompasses several distinct varieties of Asian herb, seed, and vegetable crop, including P. frutescens (deulkkae) and P. frutescens var. crispa (shiso). The genus name Perilla is also a frequently employed common name ("perilla"), applicable to all varieties. Perilla varieties are cross-fertile and intra-specific hybridization occurs naturally. Some varieties are considered invasive.

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Invasive plant in the context of Solidago canadensis

Solidago canadensis, known as Canada goldenrod or Canadian goldenrod, is an herbaceous perennial plant of the family Asteraceae. It forms colonies of upright growing plants, with many small yellow flowers in a branching inflorescence held above the foliage. It is native to northeastern and north-central North America and is an invasive plant in other parts of the continent and several areas worldwide, including Eurasia.

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Invasive plant in the context of Genista monspessulana

Genista monspessulana, commonly known as French broom, Montpellier broom, or Cape broom (Australia), is a woody leguminous perennial shrub. The yellow-flowering bush is native to the Mediterranean region, and while it may still be commonly sold in some garden stores, it is considered an invasive plant in most places where it has been introduced. It is a noxious weed on the western coast of the US and in parts of Australia.

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LINKED FROM (PARENTS)
← Overgrazing ← Mosquito fern ← Perilla ← Azolla ← Solidago canadensis ← Genista monspessulana
LINKS TO (CHILDREN)
North American beaver → Beavers in Southern Patagonia → Kudzu → Atlanta → Georgia (U.S. state) → Solidago canadensis → Vinca → Introduced species → Habitat → Bioregion → Ecology → Natural environment → Economy → Human → Early human migrations → Age of Discovery → International trade → Plant → Heracleum mantegazzianum → Reynoutria japonica → Centaurea solstitialis → Animal → European rabbit → Domestic cat → Carp → Family (biology) → Cyprinidae →