Is Biotic Integrity of Urban Forests Remants Related With Their Size and Shape?

Galvani, Fabricio Macedo; Graciano-Silva, Thaís Graciano-Silva; Cardoso-Leite, Eliana

doi:10.1590/01047760202026012674

Cited by 2 publications

(6 citation statements)

References 27 publications

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“…Even those with a more regular shape, very small areas can suffer a lot from the edge effect due to their very small AREA, which must have occurred in fragments 68, 72, and 159 (Figure 2, Table 2). In other words, thinking about the edge effect, the influence of AREA seems to prevail over the influence of SHAPE in very fragmented landscapes, as also recorded by Galvani et al 2020 for other Brazilian municipalities.…”

Section: Shapementioning

confidence: 71%

“…The authors reported that the edges of the fragments suffered species loss and changes in the community structure concerning the interior of the fragments. Galvani et al (2020) and Graciano-Silva et al (2018) reported low integrity for small fragments (below 3 hectares) and a positive relationship between AREA and BII (Galvani et al 2020) but obtained high integrity for a relatively small fragment AREA (20 hectares) in Ribeirão Preto/SP. In Medeiros and Torezan's (2012) study, although the correlation between AREA and BII was not analyzed, the results varied a lot; low BII values were registered for large areas, and vice versa.…”

Section: Areamentioning

confidence: 92%

“…Authors suggest that the existence of protection laws and the management of areas (Galvani et al 2020) can influence even more than their AREA.…”

Section: Areamentioning

confidence: 99%

“…Few studies analyzed the relationship between forest biotic integrity and patch-level metrics. Galvani et al (2020), which recorded a positive relationship between AREA and biotic integrity. Still, none of them analyzed the relationship between biotic integrity and drainage headboards, specifically for forests in hight degraded landscape (Graciano-Silva et al 2018, Galvani et al 2020.…”

Section: Introductionmentioning

confidence: 98%

“…Galvani et al (2020), which recorded a positive relationship between AREA and biotic integrity. Still, none of them analyzed the relationship between biotic integrity and drainage headboards, specifically for forests in hight degraded landscape (Graciano-Silva et al 2018, Galvani et al 2020. The results of this study may support public policies for landscape planning, including the conservation of forest biodiversity and water resources.…”

Section: Introductionmentioning

confidence: 98%

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Relationship between forest integrity, drainage headboards and patch-level metrics as subsidy for planning and conservation in fragmented Atlantic Forest areas

Cardoso-Leite

Arruda

Galvani

et al. 2022

RSD

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Forests worldwide are essential goods for humanity as they provide support, provision, regulation, and cultural ecosystem services. In Brazil, the Atlantic Forest has lost much of its original cover, is currently represented by relatively small fragments in an anthropized matrix. Therefore, it is very relevant to analyze if forest fragments change in related the fragmentation of the original native vegetation and how they maintain their quality. This study aimed to analyze whether patch-level metrics are related to forest quality (biotic integrity) and whether relief features such as headboards are related to forest fragmentation patterns to provide subsidies for public planning and environmental conservation policies. The methodology involved mapping forest fragments (F) and drainage headboards (DH), calculating patch-level metrics (AREA, SHAPE, PROX), and the biotic integrity (BII) of the forest. Spearman's Correlation Coefficient was used to test the relationship between variables. The results showed a significative robust relationship between AREA and BII and significative medium relationship between SHAPE and DH, confirming partially the initial assumptions of the research. We concluded that the integrity of the forest fragment and the presence of drainage headboards must be considered in public planning and environmental conservation policies.

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Section: Shapementioning

confidence: 71%

Section: Areamentioning

confidence: 92%

“…Authors suggest that the existence of protection laws and the management of areas (Galvani et al 2020) can influence even more than their AREA.…”

Section: Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 98%

See 3 more Smart Citations

Relationship between forest integrity, drainage headboards and patch-level metrics as subsidy for planning and conservation in fragmented Atlantic Forest areas

Cardoso-Leite

Arruda

Galvani

et al. 2022

RSD

Self Cite

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Ecological integrity of tropical secondary forests: concepts and indicators

et al. 2022

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Naturally regenerating forests or secondary forests (SFs) are a promising strategy for restoring large expanses of tropical forests at low cost and with high environmental benefits. This expectation is supported by the high resilience of tropical forests after natural disturbances, yet this resilience can be severely reduced by human impacts. Assessing the characteristics of SFs and their ecological integrity (EI) is essential to evaluating their role for conservation, restoration, and provisioning of ecosystem services. In this study, we aim to propose a concept and indicators that allow the assessment and classification of the EI of SFs. To this end, we review the literature to assess how EI has been addressed in different ecosystems and which indicators of EI are most commonly used for tropical forests. Building upon this knowledge we propose a modification of the concept of EI to embrace SFs and suggest indicators of EI that can be applied to different successional stages or stand ages. Additionally, we relate these indicators to ecosystem service provision in order to support the practical application of the theory. EI is generally defined as the ability of ecosystems to support and maintain composition, structure and function similar to the reference conditions of an undisturbed ecosystem. This definition does not consider the temporal dynamics of recovering ecosystems, such as SFs. Therefore, we suggest incorporation of an optimal successional trajectory as a reference in addition to the old-growth forest reference. The optimal successional trajectory represents the maximum EI that can be attained at each successional stage in a given region and enables the evaluation of EI at any given age class. We further suggest a list of indicators, the main ones being: compositional indicators (species diversity/richness and indicator species); structural indicators (basal area, heterogeneity of basal area and canopy cover); function indicators (tree growth and mortality); and landscape proxies (landscape heterogeneity, landscape

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Is Biotic Integrity of Urban Forests Remants Related With Their Size and Shape?

Cited by 2 publications

References 27 publications

Relationship between forest integrity, drainage headboards and patch-level metrics as subsidy for planning and conservation in fragmented Atlantic Forest areas

Relationship between forest integrity, drainage headboards and patch-level metrics as subsidy for planning and conservation in fragmented Atlantic Forest areas

Ecological integrity of tropical secondary forests: concepts and indicators

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