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The plants of a layer, especially with regard to their way of life and correspondingly similar root distribution interact closely and compete strongly for space, light, water and nutrients. The stratification of a plant community is the result of long selection and adaptation processes. Through the formation of different layers a given habitat ...
Grazing can have positive or negative effects on rangeland health, depending on management quality, [128] and grazing can have different effects on different soils [129] and different plant communities. [130] Grazing can sometimes reduce, and other times increase, biodiversity of grassland ecosystems.
An indicator of a better functioning environment is newly sprouting diversity of plants and a return or increase of wildlife. Don't limit the management tools you use. The eight tools for managing natural resources are money/labor, human creativity, grazing, animal impact, fire, rest, living organisms and science/technology. To be successful ...
There's a wide range of toxic chemicals so there's also a wide range of negative health effects. For example, synthetic pesticides and certain industrial chemicals are persistent organic pollutants. These pollutants are long-lived and can cause cancer, reproductive disorders, immune system problems, and nervous system problems. [25]
The term stratification can be traced back to at least 1664 in John Evelyn's Sylva, or A Discourse of Forest-Trees and the Propagation of Timber, [2] where seeds were layered (stratified) between layers of moist soil and the strata were exposed to winter conditions. Thus, stratification became the process by which seeds were artificially ...
A plant community is a collection or association [1] [page needed] of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The components of each plant community are influenced by soil type, topography, climate and human disturbance ...
In biology, overabundant species refers to an excessive number of individuals [1] and occurs when the normal population density has been exceeded. Increase in animal populations is influenced by a variety of factors, some of which include habitat destruction or augmentation by human activity, the introduction of invasive species and the reintroduction of threatened species to protected reserves.
Vertical mixing has been reduced due to ocean stratification effects associated with climate change. [97] Reduced vertical mixing and marine heatwaves have decimated seaweed ecosystems in many areas. [ 98 ] [ 99 ] [ 100 ] Marine permaculture mitigates this by restoring some vertical mixing and preserves these important ecosystems.