Land use drives change in amazonian tree species

Vieira, Ima Célia Guimarães

doi:10.1590/0001-3765201920190186

Cited by 11 publications

(6 citation statements)

References 21 publications

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“…4b, d). This could be related to accelerated deforestation rates, which are caused primarily by the presence of illicit crops and the expansion of the agricultural frontier (Vieira, 2019); these activities could promote A. striata establishment (Aluja et al ., 2003).…”

Section: Discussionmentioning

confidence: 99%

Changes in the potential distribution of the guava fruit fly Anastrepha striata (Diptera, Tephritidae) under current and possible future climate scenarios in Colombia

Amat

Altamiranda‐Saavedra

Canal

et al. 2021

Bull. Entomol. Res.

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Climate change has affected the geographical distributions of most species worldwide; in particular, insects of economic importance inhabiting tropical regions have been impacted. Current and future predictions of change in geographic distribution are frequently included in species distribution models (SDMs). The potential spatial distributions of the fruit fly Anastrepha striata Schiner, the main species of agricultural importance in guava crops, under current and possible future scenarios in Colombia were modeled, and the establishment risk was assessed for each guava-producing municipality in the country. SDMs were developed using 221 geographical records in conjunction with nine scenopoetic variables. The model for current climate conditions indicated an extensive suitable area for the establishment of A. striata in the Andean region, smaller areas in the Caribbean and Pacific, and almost no areas in the Orinoquia and Amazonian regions. A brief discussion regarding the area's suitability for the fly is offered. According to the results, altitude is one of the main factors that direct the distribution of A. striata in the tropics. The Colombian guava-producing municipalities were classified according to the degree of vulnerability to fly establishment as follows: 42 were high risk, 16 were intermediate risk, and 17 were low risk. The implementation of future integrated management plans must include optimal spatial data and must consider environmental aspects, such as those suggested by the models presented here. Control decisions should aim to mitigate the positive relationship between global warming and the increase in the dispersal area of the fruit fly.

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Section: Discussionmentioning

confidence: 99%

Changes in the potential distribution of the guava fruit fly Anastrepha striata (Diptera, Tephritidae) under current and possible future climate scenarios in Colombia

Amat

Altamiranda‐Saavedra

Canal

et al. 2021

Bull. Entomol. Res.

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show abstract

“…Lecythidaceae and Fabaceae were the most abundant families in these forests, and are almost invariably present in native forests in the Amazon basin (Ter Steege et al 2000). Secondary forests are typically characterised by an abundance of fastgrowing taxa of early successional stages and even 70-year-old secondary forests in eastern Amazonia have a conspicuously different taxonomic composition from that of primary forests of comparable stature (Vieira et al 2003;Vieira 2019). The ecological and ecosystem service values of secondary forests are lower in comparison with those of primary forests, however secondary forests are important for conservation in fragmented oil palm dominated landscapes as the carbon stocks and biodiversity in older secondary forests approach 80% of that found in undisturbed primary forests (Lennox et al 2018).…”

Section: Discussionmentioning

confidence: 99%

Heterogeneity of tree diversity and carbon stocks in Amazonian oil palm landscapes

Almeida

Vieira

Moura

et al. 2020

Plant Ecology & Diversity

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Background: Quantitative effects of large-scale oil palm expansion in the Neotropics on biodiversity and carbon stocks are still poorly documented.Aims: We evaluated differences in tree species composition and richness, and above-ground carbon stocks among dominant land cover types in Pará state, Brazil. Methods:We quantified tree species composition and richness and above-ground carbon stock in stands in remnant primary rain forest, young secondary forest, oil palm plantation and pastures. Results:We sampled 5,696 trees with a DBH ≥ 2 cm, of 413 species in 68 families, of which 381 species were recorded in primary forest fragments. We found significant differences in species richness and carbon stock among the four land cover classes. Carbon stocks in remnant primary forest were typically over 190 Mg ha -1 , while those in other land cover types were typically less than 60 Mg ha -1 . Conclusion:Oil palm plantations have a species-poor tree community given active management; old plantations have a standing carbon stock which is comparable to that of secondary forest and far greater than that of pastures. Private forest reserves within oil palm company holdings play an important role in preserving primary forest tree diversity in human-modified landscapes in Amazonia.

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“…The most significant proportion of potential areas predicted by climate change scenario models for the expansion of A. striata occurred in the Amazonian region ( Figure 4b,d). This result could be related to accelerated deforestation rates, which are caused primarily by the presence of illicit crops and expansion of the agricultural frontier (Vieira 2019); these activities could promote A. striata establishment (Aluja et al 2003).…”

Section: Discussionmentioning

confidence: 99%

Changes in the potential distribution of the guava fruit flyAnastrepha striata(Diptera, Tephritidae) during the current and possible future climate scenarios in Colombia

Amat

Altamiranda‐Saavedra

Canal

et al. 2020

Preprint

View full text Add to dashboard Cite

Climate change has affected the geographical distributions of most species worldwide; in particular, insects of economic importance inhabiting tropical regions have been impacted. Current and future predictions of change in geographic distribution are frequently included in species distribution models (SDMs). The potential spatial distributions of the fruit fly Anastrepha striata Schiner (the main species of agricultural importance in guava crops) under current and possible future scenarios in Colombia were modeled, and the establishment risk was assessed for each guava-producing municipality in the country. The SDMs were developed using 221 geographical records in conjunctuin with nine scenopoetic variables. The model for current climate conditions indicated an extensive suitable area for the establishment of A. striata in the Andean region, smaller areas in the Caribbean and Pacific, and almost no areas in the Orinoquia and Amazonian regions. A brief discussion regarding the area suitability for the fly is offered. The expansion of the suitable area was observed in all future scenarios; moreover, this effect was more pronounced in the Amazonian region. The Colombian guava-producing municipalities were classified according to the degree of vulnerability to the fly establishment as follows: 42 were high-risk, 16 were intermediate-risk, and 17 were low-risk. The implementation of future integrated management plans must include optimal spatial data and must consider environmental aspects, such as those suggested by the models presented here. Control decisions should aim to mitigate the positive relationship between global warming and the increase in the dispersal area of the fruit fly.

show abstract

Land use drives change in amazonian tree species

Cited by 11 publications

References 21 publications

Changes in the potential distribution of the guava fruit fly Anastrepha striata (Diptera, Tephritidae) under current and possible future climate scenarios in Colombia

Changes in the potential distribution of the guava fruit fly Anastrepha striata (Diptera, Tephritidae) under current and possible future climate scenarios in Colombia

Heterogeneity of tree diversity and carbon stocks in Amazonian oil palm landscapes

Changes in the potential distribution of the guava fruit flyAnastrepha striata(Diptera, Tephritidae) during the current and possible future climate scenarios in Colombia

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