Biotic homogenization是什么意思

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August undefined, 2024

WebJul 8, 2024 · Because most of the now extinct megafauna became extinct near the 10,000 ybp boundary 45, we suggest that biotic homogenization began late in the 15,000 … WebBiotic homogenization—the erosion of biological differences among ecosystems due to human disturbance—is a pervasive threat to forest landscapes given the current global biodiversity crisis. In Mediterranean …

Biotic homogenization destabilizes ecosystem …

WebBiotic taxonomic homogenization (hereafter biotic homogenization) is the increase in taxonomic similarity across habitats or regions (i.e., lower species turnover), generally associated with the loss of rare species and persistence and/or spread of shared species (Olden and Poff 2003, Olden 2006, Smart et al. 2006). Biotic homogenization can also WebAbstract. Biotic homogenization is the replacement of local biotas by nonindigenous and locally expanding species that can co-exist with humans (McKinney and Lockwood 1999). Because homogenization often … small business mdm solution

Biotic Homogenization: A Sequential and Selective …

WebOct 26, 2024 · Anthropogenic impacts on biodiversity can lead to biotic homogenization (BH) and biotic differentiation (BD). BH is a process of increasing similarity in community composition (including taxonomic, functional, and phylogenetic components), whereas BD is a process of decreasing similarity over space and time. Here, we conducted a systematic ... WebFeb 15, 2024 · Biotic homogenization can be quantified by beta diversity, which can be calculated using the dissimilarity indices such as Bray-Curtis and Jaccard dissimilarity (Bray and Curtis, 1957; Jaccard, 1900) and the ecological uniqueness of local site (Legendre and De Caceres, 2013). The selection of indicators is important for quantifying biotic ... WebLow β-diversity values indicate that taxonomic similarity is high among communities, which is characteristic of biotic homogenization (Fuller et al. 2015). Second, turnover with … small business mcafee

Climate gradients, and patterns of biodiversity and biotic ...

Rapid biotic homogenization of marine fish …

WebAug 16, 2016 · Biotic homogenisation is the process by which species invasions and extinctions increase the genetic, taxonomic or functional similarity of two or more … Biotic homogenization is the process by which two or more spatially distributed ecological communities become increasingly similar over time. This process may be genetic, taxonomic, or functional, and it leads to a loss of beta (β) diversity. While the term is sometimes used interchangeably with "taxonomic … See more Homogenization versus differentiation Homogenization is the process of assemblages becoming increasingly similar: the reverse is the process of assemblages becoming increasingly different over time, … See more Genetic Genetic homogenization refers to the underlying molecular processes involved in biotic homogenization. It typically results from hybridization … See more Most studies of biotic homogenization have typically focused on fishes and vascular plants. More recently, however, homogenization has been demonstrated in other taxonomic … See more Measuring biotic homogenization ultimately requires measuring β diversity. Taxonomic homogenization is typically studied by … See more Ecology and Evolution Community composition, rather than richness, plays the more crucial role in maintaining the See more small business mba programsWebFeb 3, 2005 · economic implications of biotic homogenization, just as they do over many conservation issues. One fact is clear, however: Biotic homogenization elicits serious concern among conservationists as a major threat to regional in-dividuality. Interestingly, urban centers are focal areas of biotic homogenization (e.g., Blair 2004), yet they are in- small business media australia

"WebJul 8, 2024 · Biotic homogenization is a globally studied phenome-non and a highly active research topic in urban ecology. The urban biotic homogenization (UBH) hypothesis … " - Biotic homogenization是什么意思

Biotic homogenization是什么意思

WebGlobal change is increasing biotic homogenization globally, which modifies the functioning of ecosystems. While tendencies towards taxonomic homogenization in biological … WebFeb 8, 2024 · Ecosystems around the globe are facing habitat homogenization due to human activities (1–3).Homogenized ecosystems will reduce the diversity of species and consequently diminish valuable ecosystem functions and services ().In addition to affecting species diversity, reduced habitat diversity may also directly impair ecosystem …

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WebJul 5, 2024 · Abstract. Earth’s biodiversity continues to change rapidly through the Anthropocene 1, including widespread reordering of species in space 2, 3 and time 4, 5. … WebSep 24, 2015 · Discussion. This investigation has documented rapid biotic homogenization in marine fish assemblages and argued that these community shifts are linked to climate. Other recent studies also ...

WebOct 4, 2016 · Biotic homogenization goes beyond the increase in taxonomic similarity among communities. It also involves the loss of biological differences in any organizational level (e.g., populations or communities) in terms of functional, taxonomic or genetic features. There are many ways to measure biotic homogenization, and the results depend on ... WebAug 16, 2016 · Biotic homogenization can lead to intra-and inter specific hybridization, the second of which is a hybridization between genetically distinct species that can threaten native taxa (Olden et al ...

WebOct 20, 2015 · Biotic homogenization that results in communities with reduced response diversity can limit the functions provided by the community, and their ability to respond to disturbances, leading to the ... WebSep 1, 2024 · Biotic homogenization in restored landscapes. Extensive evidence shows that anthropogenic activities are leading to biotic homogenization (see …

WebMar 11, 2024 · Our planet is facing significant changes of biodiversity across spatial scales. Although the negative effects of local biodiversity (α diversity) loss on ecosystem stability are well documented, the consequences of …

WebNov 1, 1999 · Thus, biotic homogenization occurs when a widespread environmental change promotes the geographic expansion of some species (‘winners’) and the geographic reduction of others (‘losers’) 6. Previous mass extinctions, for example, show that global climatic and geological disturbances often produce low-diversity biotas dominated by a … small business mediationWebAug 16, 2016 · Biotic homogenisation is the process by which species invasions and extinctions increase the genetic, taxonomic or functional similarity of two or more locations over a specified time interval. This is a unique research challenge, because it is a multifaceted process that subsumes many aspects of the modern biodiversity crisis, … small business mediatorWebDec 1, 2006 · The study of biotic homogenization is a young and rapidly emerging research area in the budding field of conservation biogeography, and this paper aims to synthesize current knowledge of this process and advocate a more systematic approach to its investigation. Aim Biotic homogenization describes the process by which species … small business medical insurance illinoisWebFeb 19, 2024 · We realized that biocultural homogenization incorporates three key additions to the more familiar and better documented process of biotic homogenization . First, biocultural homogenization broadens the expression “a few winners replacing many losers” coined by Michael McKinney and Julie Lockwood ( 1999 ) beyond the scope of … small business medical insurance coverageWebJan 1, 2004 · Biotic homogenization, the gradual replacement of native biotas by locally expanding non-natives, is a global process that diminishes floral and faunal distinctions … some drills crosswordWebSadly, we could view biotic homogenization as the by-product of a global anthropogenic blender (Fig. 1). In the wake of continued human enhancement of species invasions and … some drink champagne some die of thirstWebGlobal change is increasing biotic homogenization globally, which modifies the functioning of ecosystems. While tendencies towards taxonomic homogenization in biological communities have been extensively studied, functional homogenization remains an understudied facet of biodiversity. Here, we tested four hypotheses related to long-term … small business mbe