Functional connectivity in forest birds: evidence for species-specificity and anisotropy

Geoffroy, Catherine; Fiola, Marie-Line; Bélisle, Marc; Villard, Marc‐André

doi:10.1007/s10980-019-00849-0

Cited by 6 publications

(2 citation statements)

References 66 publications

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“…(4) Hypothesis 4: a greater proportion of species will be favoured by a land-sharing approach in forest management systems as compared to agricultural systems, but this pattern will be context dependent Most forest operations result in stands that have lower contrast with remaining unmanaged forest, compared with the differences between agricultural regimes and the natural habitat they replace. Higher vegetation cover facilitates the survival and movement of some species during dispersal (Vitz & Rodewald, 2010) and residual trees in more ecological approaches to forestrysuch as variable retentioncould still facilitate dispersal through the matrix (Haché, Bayne & Villard, 2014;Geoffroy et al, 2019). Further, although the initial effect of light forest management treatments may be negative, results from experimental studies show that over the long term such treatments may increase densities of late-successional species (Cahall, Hayes & Betts, 2013;Yegorova et al, 2013, Baker et al, 2016.…”

Section: Hypotheses On the Application Of Triad And Sharing-sparing Framework To Forestsmentioning

confidence: 99%

Producing wood at least cost to biodiversity: integrating Triad and sharing–sparing approaches to inform forest landscape management

et al. 2021

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Forest loss and degradation are the greatest threats to biodiversity worldwide. Rising global wood demand threatens further damage to remaining native forests. Contrasting solutions across a continuum of options have been proposed, yet which of these offers most promise remains unresolved. Expansion of high‐yielding tree plantations could free up forest land for conservation provided this is implemented in tandem with stronger policies for conserving native forests. Because plantations and other intensively managed forests often support far less biodiversity than native forests, a second approach argues for widespread adoption of extensive management, or ‘ecological forestry’, which better simulates natural forest structure and disturbance regimes – albeit with compromised wood yields and hence a need to harvest over a larger area. A third, hybrid suggestion involves ‘Triad’ zoning where the landscape is divided into three sorts of management (reserve, ecological/extensive management, and intensive plantation). Progress towards resolving which of these approaches holds the most promise has been hampered by the absence of a conceptual framework and of sufficient empirical data formally to identify the most appropriate landscape‐scale proportions of reserves, extensive, and intensive management to minimize biodiversity impacts while meeting a given level of demand for wood. In this review, we argue that this central challenge for sustainable forestry is analogous to that facing food‐production systems, and that the land sharing–sparing framework devised to establish which approach to farming could meet food demand at least cost to wild species can be readily adapted to assess contrasting forest management regimes. We develop this argument in four ways: (i) we set out the relevance of the sharing–sparing framework for forestry and explore the degree to which concepts from agriculture can translate to a forest management context; (ii) we make design recommendations for empirical research on sustainable forestry to enable application of the sharing–sparing framework; (iii) we present overarching hypotheses which such studies could test; and (iv) we discuss potential pitfalls and opportunities in conceptualizing landscape management through a sharing–sparing lens. The framework we propose will enable forest managers worldwide to assess trade‐offs directly between conservation and wood production and to determine the mix of management approaches that best balances these (and other) competing objectives. The results will inform ecologically sustainable forest policy and management, reduce risks of local and global extinctions from forestry, and potentially improve a valuable sector's social license to operate.

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Section: Hypotheses On the Application Of Triad And Sharing-sparing Framework To Forestsmentioning

confidence: 99%

Producing wood at least cost to biodiversity: integrating Triad and sharing–sparing approaches to inform forest landscape management

et al. 2021

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“…In addition, considering that there is no standardized continuous surface representing the landscape analogous to vegetation cover classification, we tested the effectiveness of principal polar spectral indices (PPSi) (Moffiet et al, 2010) as an alternative to more traditional metrics (e.g., NDVI) to represent variation in vegetation cover under the GM. The vegetation cover type and its variation across the landscape have been related to aspects of bird ecology such as feeding, dispersal ability, behavior, reproduction, and predation probability (Bélisle et al 2001;Barlow et al 2007;Kennedy et al 2010;Neuschulz et al 2013;Carrara et al 2015;Walter et al, 2017;Geoffroy et al, 2019). Thus, we expect that species responses to PPSi indices and greenness-based surface metrics can be interpreted in terms of habitat use preference.…”

Section: Introductionmentioning

confidence: 99%

Assessing bird habitat occupancy from gradient-based landscape metrics and principal polar spectral indices in the colombian andean region

Ortiz-Yusty¹,

Parra

Morales-Rozo

et al. 2023

Landsc Ecol

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Context The patch-mosaic model (PMM) is the most common way to describe the landscape in ecological research. Despite this, the gradient model (GM) was proposed as a more accurate representation of the heterogeneity of landscapes; however, little has been explored on the behavior and performance of continuous variables and surface-based metrics from GM under different analytical scenarios. Objectives We address the question: which landscape metrics, patch-based or surface-based, best explain habitat occupancy patterns of six bird species with different ecological preferences? Methods We generated detection histories for six bird species in a fragmented Andean landscape from Colombia. We obtain patch-based metrics from a land cover classification and surface-based metrics from the principal polar spectral indices (PPSi) to describe the landscape. Finally, we fitted dynamic occupancy models using variables derived from landscape models and compared their performance using quasi-AIC for each species. Results We obtained 909 detections for the six selected bird species. We found that PPSi and surface-based metrics were more informative when assessing occupancy patterns for five of the six species studied. In addition, surface-based metrics allowed to detect interspecific differences between species beyond an affinity for a particular cover type. Conclusions Surface-based metrics can be an alternative for assessing species response to landscape heterogeneity, particularly those that may be more sensitive to fine-scale changes in vegetation cover. However, there is no single “best” model to describe the landscape for all cases. PPSi can be very useful for land cover analysis in landscape ecology studies as an alternative to more popular vegetation indices.

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Assessing the habitat and functional connectivity around fenced ecosanctuaries in New Zealand

Burge

Innes

Fitzgerald

et al. 2021

Biological Conservation

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Functional connectivity in forest birds: evidence for species-specificity and anisotropy

Cited by 6 publications

References 66 publications

Producing wood at least cost to biodiversity: integrating Triad and sharing–sparing approaches to inform forest landscape management

Producing wood at least cost to biodiversity: integrating Triad and sharing–sparing approaches to inform forest landscape management

Assessing bird habitat occupancy from gradient-based landscape metrics and principal polar spectral indices in the colombian andean region

Assessing the habitat and functional connectivity around fenced ecosanctuaries in New Zealand

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