Swainson's Flycatcher (Myiarchus swainsoni)

Joseph, Leo

doi:10.2173/bow.swafly1.01

Cited by 3 publications

(2 citation statements)

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“…Indeed, for many species, the environmental conditions experienced during an early life stage dramatically differ from those encountered later in life (Werner and Gilliam 1984). Also, individuals may migrate within a given life stage, and hence their ecological niche depends on a complex interaction between time and space (Joseph and Stockwell 2000). Similarly, the biotic interactions experienced may vary depending on the life changes, thus further modulating the realized niche (Araújo and Luoto 2007).…”

Section: Introductionmentioning

confidence: 99%

The importance of including phenology when modelling species ecological niche

Ponti

Sannolo

2022

Ecography

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Species distribution models have grown in complexity by incorporating fine-scale variables, including data on microclimate, physiology and species interactions. Recent studies have acknowledged the importance of the spatial scale by including higher resolution maps and more complex climatic variables. However, models rarely consider the consequences of including data related to time. Indeed, species phenology -and potential shifts in phenology due, for example, to climate change -is potentially one of the most neglected aspects of ecological modelling. We present a literature review of relevant phenological aspects at different temporal scales and across several taxa. Such elements should be considered to define better the environmental niche and project present, future and past distribution models. We considered the available studies on plants, insects, reptiles, birds and mammals to evaluate how they dealt with the phenology of the investigated species, as well as the phenology of other resources and interacting species, to infer present, past and future projections. Here we focus on four main phenological aspects that, if not considered, may easily bias any projection, namely: 1) phenology can be accompanied by a shift in distribution within the year (e.g. migratory species); 2) activity may be restricted to a portion of the year (e.g. most ectotherms from temperate climates); 3) survival and reproduction success may depend on the synchrony with other species phenology (e.g. plants-pollinators interactions); 4) changes in climatic conditions can lead to shifts in phenology (e.g. anticipated or delayed blooms or changes in migration timing). In this review, we show how neglecting such factors may quickly lead to project a biased distribution. Finally, we provide a guide on evaluating whether the case study may be affected by such factors and what actions may improve the models.

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Section: Introductionmentioning

confidence: 99%

The importance of including phenology when modelling species ecological niche

Ponti

Sannolo

2022

Ecography

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“…We should highlight that non-forest colonizer bird species occur in the edge of forest fragments. Those are species from open and/or Cerrado areas, such as Rupornis magnirostris, Colaptes melanochloros, Melanerpes candidus, Patagioenas maculosa and Myiarchus swainsoni (Anjos 2001, Baptista et al 2016, Bierregaard et al 2016, Joseph 2016, Winkler et al 2016. Thus, the composition of birds of the edge of a forest fragment should originate mainly from those living on river banks in continuous forest combined with those colonizers from open areas.…”

Section: Discussionmentioning

confidence: 99%

Bird species that occupy river edge in continuous forest tend to be less sensitive to forest fragmentation

Lindsey

Bochio

Anjos

2019

Rev. Bras. Ornitol.

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Along a distance gradient from a given river, two types of habitat can be recognized: natural river edge and forest interior, each one with its own vegetation characteristics and dynamics. In a continuous area of the Brazilian Atlantic Forest, we investigated (1) if bird communities are different between a riverbank of a small stream and an inland forest habitat; (2) if the species of the river edge habitat are the ones that persist in the most in forest fragments after deforestation of a continuous forest; (3) if the river edge habitat species are those that are less sensitive to forest fragmentation. It is expected that there are differences in the bird communities and the occupancy of some species between the two habitats. We allocated 16 sampling points in each of the habitats and sampled the birds by point counts with a short radius of 30 m. Results suggest that there is a significant difference between the composition of the bird communities of the river edge and forest interior habitats, although the species richness is similar. Six species were more likely to occupy the river edge and 14 species had a greater probability of occupancy in the forest interior. Species associated with the river edge habitat (15 species) tend not to be sensitive to forest fragmentation (12 species). In this study, we demonstrated that river-border species of continuous forest areas form a significant part of the bird communities that persist in small forest fragments, with intense edge effect. This shows that not all forest edge species are the result of the colonization from open areas. Congruently, species that occupy the most distant areas from the river vegetation in a continuous forest are those more sensitive to forest fragmentation. KEYWORDS: Atlantic Rainforest, bird sensitivity, forest interior, natural edge, probability of occupancy. tree species; also, it is common to have the fall of trees and consequently the creation of clearings that allow the occupation of bamboo species (Bianchini et al. 2001, Anjos et al. 2007). This lowland riparian environment constitutes a transition between the river and the associated upland forest, marking a natural border or ecotone boundary. A forest ecotone is a consequence of the meeting of distinct natural plant communities, which, in turn, influences the diversity of wild animals across the landscape, dependent on distance from a rivers' edge and the characteristic transition in topography, plant community, hydrological regimes, and soil types (Naiman et al. 1993, Shirley 2005). Considering several taxonomic groups, some studies suggest greater species richness in riparian environments compared to distinct forest (Naiman et al. 1993), others found greater richness in non-riparian environments (McGaragal & McComb 1992, Peres 1997) and some found no difference between these two habitat types (Gomez & Anthony 1998, Rykken et al. 2007). On birds, several studies indicated the great importance of the riparian environment (natural river edges) as a uniquely sustaining habitat with relat...

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