On piecewise models and species–area patterns

Author: lrpf

August undefined, 2024

WebTo evaluate body growth patterns, regression models were used in which the morphometric variables (dependent), except BDA, were plotted in relation to SL and HL (independent variables). These relationships were described by different growth models, which may indicate relevant biological processes linked to early ontogeny ( Kováč et al ., … Web1 de mai. de 2002 · Although area, species abundances, spatial distribution, and species richness have been central components of community ecology, their interrelationships …

11 Bird species richness -area relationships in the littoral forests of ...

Web2 de jul. de 2024 · Aim: Area thresholds, at which the form of the species-area relationship (SAR) changes abruptly, have played an important role in the theoretical framework of … Web20 de jan. de 2024 · Growing evidence suggests that biodiversity on small islands and fragments could be independent of island area, a pattern called the Small Island Effect (SIE). We searched for SIE among the floras of 19 courtyards completely enclosed by buildings in central St Petersburg, Russia, in 1993, 2003 and 2008. on the chance翻译

Effects of forest loss and fragmentation on bat-ectoparasite ...

WebOn piecewise models and species-area patterns (Q92407250) From Wikidata. Jump to navigation Jump to search. scientific article published on 02 July 2024. edit. Language … WebA total of 248 specimens were analyzed 104 of Triportheus albus (25 preflexion, 18 flexion, 45 postflexion, and 16 juveniles) and 143 of T. angulatus (46 preflexion, 54 flexion, 13 postflexion, and 30 juveniles). Yolk sac larvae of both species were not found during sampling. Individuals in the early stages, such as preflexion and flexion, were captured … WebFive regression models coding PM 2.5 as a categorical variable were fitted to explore the dose–response relationships between PM 2.5 level and blood-feeding rate: a linear relationship for model 1, a 2-segment piecewise linear relationship for model 2, a 3-segment piecewise linear relationship for model 3, an exponential decay relationship for … on the channel or in the channel

National Center for Biotechnology Information

On piecewise models and species-area patterns - PubMed

Web2 de jul. de 2024 · Instead, to meet the complexity of the piecewise regression models, we selected island datasets with > 40 islands in each case. Our study on piecewise models … Therefore, limiting our attention to just one or two species– area patterns is … Web9 de set. de 2024 · In early stages of invasions, alien species can face multiple sources of resistance that may impede the spread of their populations, such as the Allee effect (due to small population size or low genetic diversity) and unsuitable new habitats (Crooks, 2005; Leung et al., 2004).At this phase, alien species tend to have relatively slow spreading … on the change of form of long wavesWeb1 de jan. de 2024 · We fitted two piecewise models (the continuous and lefthorizontal one-threshold models) using new functionality in the "sars" R package (Matthews & Rigal, 2024). Both models have two... on the change symptoms

"WebAbstract. Aim: Area thresholds, at which the form of the species–area relationship (SAR) changes abruptly, have played an important role in the theoretical framework of … " - On piecewise models and species–area patterns

On piecewise models and species–area patterns

Table 1 from Thresholds and the species–area relationship: a set …

WebWhen properly used, species-area patterns can describe a variety of processes across many scales of time and space (Rosenzweig, 1995). ... diversity conforms to the predictions of the species-area model using a realistic inter-provincial z-value. The molluscan subgenera data in Table 1 have a homogenization ratio, H, of 310/378 = 82%. Web30 de mai. de 2024 · The island species–area relationship (ISAR) is a fundamental macroecological pattern, the study of which has been closely connected with the …

Did you know?

WebTo this end, we provide a set of functions for fitting six piecewise regression models to SAR data, calculating confidence intervals around the breakpoint estimates (for certain models), comparing the models using various information criteria, and … WebThe island species–area relationship (ISAR) is a fundamental di-versity pattern, best described by the power model. Biogeographic theory assumes predictable variation in …

Web2 de jul. de 2024 · Europe PMC is an archive of life sciences journal literature. WebTrophic niches condition the energetic performance of species within food webs providing a vital link between food web assembly, species diversity, and functioning of ecosystems. Our understanding of this important link is, however, limited by the lack of empirical tools that can be easily applied to compare entire food webs at regional scales. By comparison, with …

Web11 de mar. de 2024 · The Species–Area Relationship - March 2024. ... > Explaining Variation in Island Species–Area Relationship (ISAR) Model Parameters between … Web1 de mai. de 2014 · The application of island biogeography theory in habitat fragmentation research assumes a simple relationship between species richness and fragment area. …

Web2 de jul. de 2024 · Most recent studies have focused on one-threshold piecewise models with two segments, but the number of thresholds in …

WebOn piecewise models and species–area patterns Article Full-text available Jul 2024 De Gao Zhen Cao Peng Xu Gad Perry Aim: Area thresholds, at which the form of the species-area relationship... ion of siliconWeb11 de ago. de 2011 · The performance of traditional species–area curves and continuous and discontinuous piecewise models was compared using an information theoretic … ion of theWebTable 1. Model summary table, generated using the ‘summary.sars’ generic function. The table provides information about the fit of six piecewise models, in addition to linear and intercept-only models. See the legend of Fig.2 for dataset information. “Zslope” models are the left-horizontal models, “Cont” are the continuous models, and “Disc” are the … ion of phosphateWeb1 de jan. de 2024 · On piecewise models and species–area patterns. Article. Full-text available. Jul 2024; de Gao; ... The resultant, more general, species–area model has … ionogram reduction parametersWeb21 de nov. de 2005 · The new extinction projections come from applying a well-known ecological pattern, the species–area relationship (SAR), to data on the current distributions and climatic requirements of 1103 species. Here, I examine the scientific basis to the claims made in the Nature article. ion of zincWeb11 de mar. de 2024 · The species–area relationship (SAR) has been described as one of the few general patterns in ecology. Although there are many types of SAR, here we are concerned solely with the so-called species accumulation curve (SAC). The theoretical basis of this relationship is not well established. Here, we suggest that extreme value … on the chargerWeb2 de jun. de 2024 · The positive relationship between species richness and area—the species–area relationship (SAR)—is a key principle in ecology. Previous studies show large variation in the SAR across taxa collectively indicating the necessity of a taxon-focused approach to accurately evaluate biodiversity scaling patterns. on the chargers