Impacts of selective logging management on butterflies in the Amazon

Montejo‐Kovacevich, Gabriela; Hethcoat, Matthew G.; Lim, Felix K. S.; Marsh, Charles J.; Bonfantti, Dayana; Peres, Carlos A.; Edwards, David P.

doi:10.1016/j.biocon.2018.06.012

Cited by 25 publications

(17 citation statements)

References 33 publications

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“…In a forestry context, Montejo‐Kovacevich et al () suggest that tropical butterflies are likely to benefit from a mixed strategy combining both low and high intensity logging alongside protected primary forest, reflecting the findings of our own study. At a global scale, several spatially explicit scenario optimization exercises have demonstrated how both biodiversity and carbon outcomes can be improved whilst maintaining or increasing food production, through changes in land‐use patterns and productivity, though these did not consider the simultaneous delivery of high nature value farmland and natural habitat (Beyer, Manica, & Rademacher, ; Heck, Hoff, Wirsenius, Meyer, & Kreft, ).…”

Section: Discussionsupporting

confidence: 81%

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Optimising nature conservation outcomes for a given region‐wide level of food production

Finch

Green

Massimino

et al. 2020

Journal of Applied Ecology

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The land sharing‐sparing framework aims to quantify the trade‐off between food production and biodiversity conservation, but it has been criticized for offering, for reasons of simplicity, an unrealistically limited set of different land uses. Here, we develop the framework to evaluate a much larger suite of land‐use strategies in which the areas and yields of three land‐use compartments - natural habitat, high‐yield farmland, and lower‐yield farmland - are varied simultaneously. For two regions of England, we use functions that relate the local population density of breeding bird species to farm yield to simulate species‐specific region‐wide population sizes under each strategy. We find that geometric mean population size, averaged across all species, is maximized when farmland yields are higher than the current average yield, and when spared land combines both natural habitat and low‐yield farmland. This conclusion is relatively insensitive to the maximum yield considered feasible under extreme land sparing, and holds across a range of region‐wide food production targets. To some extent, our conclusion depends on which species groups were included in the assessment. Considered alone, farmland birds preferred a strategy with little or no natural habitat. Nonetheless, the optimal strategy was broadly consistent across all widely recognized listings of species of conservation concern. Synthesis and applications. Our study looks at landscapes with a long history of agricultural use, and which have little remaining natural habitat, such as those found in lowland England. In these landscapes, conservation outcomes are likely to be maximized by mixed strategies in which high‐yield production enables an increase in area of both natural habitat and low‐yield farmland elsewhere in the region.

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Section: Discussionsupporting

confidence: 81%

“…In a forestry context, Montejo-Kovacevich et al (2018) suggest that tropical butterflies are likely to benefit from a mixed strategy combining both low and high intensity logging alongside protected primary forest, reflecting the findings of our own study.…”

Section: In Both Regions Species On Thesupporting

confidence: 83%

Optimising nature conservation outcomes for a given region‐wide level of food production

Finch

Green

Massimino

et al. 2020

Journal of Applied Ecology

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“…Donald et al., 2006), our results suggest that the negative consequences of high‐yield farming on birds can be outweighed if its potential land‐sparing benefits are realised, especially when low‐yield farmland is ‘spared’ in addition to natural and semi‐natural habitat. Other studies, generally based on simpler, non‐spatial scenarios, have also found support for scenarios which incorporate elements of land sharing into land‐sparing scenarios (Feniuk et al., 2019; Finch et al., 2019; Montejo‐Kovacevich et al., 2018). An important caveat is that our alternative future scenarios do not explicitly account for the temporal dynamics in the development of new habitats, nor their colonisation by bird communities.…”

Section: Discussionmentioning

confidence: 91%

Evaluating spatially explicit sharing‐sparing scenarios for multiple environmental outcomes

Finch

Day

Massimino

et al. 2020

Journal of Applied Ecology

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Understanding how to allocate land for the sustainable delivery of multiple, competing objectives is a major societal challenge. The land sharing‐sparing framework presents a heuristic for understanding the trade‐off between food production and biodiversity conservation by comparing region‐wide land‐use scenarios which are equivalent in terms of overall food production. Here, for two contrasting regions of lowland England (The Fens and Salisbury Plain), we use empirical data and predictive models to compare a suite of spatially explicit scenarios reflecting the full range of the sharing‐sparing continuum, including mixed scenarios which combine elements of both sharing and sparing. We evaluate a range of outcomes (bird populations, global warming potential (GWP), nitrogen and phosphorus pollution and outdoor recreation), to identify approaches to regional land‐use planning with the potential to deliver multiple societal benefits. Land‐sharing scenarios (which reduce the dominance of productive agricultural land in farmed areas and the area of larger unfarmed areas) result in negative outcomes, particularly for birds and GWP. In contrast, many land‐sparing scenarios (including mixed scenarios which increase the area of lower‐yield farmland alongside larger unfarmed areas) resulted in improvements in all or most outcomes, although for recreation and nutrient export differences between scenarios were modest. Importantly, environmental outcomes also depended on the spatial arrangement of spared land, the types of natural or semi‐natural habitat promoted on spared land, whether some lower‐yield farmland is delivered alongside larger unfarmed areas, and the overall region‐wide food production target. Policy implications. Our study suggests that land‐sparing strategies which increase the area of natural and semi‐natural areas can improve environmental outcomes, despite the costs associated with high‐yield agriculture. However, high‐yield agriculture should not compromise future production or the conservation value of spared land, and explicit policies such as certification or payments for ecosystem services are required to link sustainable high‐yield production to habitat conservation. Our study also highlights the importance of mitigating projected increases in food demand.

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“…where a large portion of the low and mid elevations have been converted to agricultural lands in the past three decades (Wasserstrom and Southgate, 2013). Any habitat change that affects forest heterogeneity could reduce its large temperature buffering potential (Blonder et al, 2018;Jucker et al, 2020), and butterfly diversity as a whole (Montejo-Kovacevich et al, 2018). Nevertheless, microclimates have been shown to recover decades after low impact land-uses (González del Pliego et al, 2016;Mollinari et al, 2019;Senior et al, 2018), allowing for recolonization of biodiversity (Hethcoat et al, 2019).…”

Section: Conserv Atio N Implic Ationsmentioning

confidence: 99%

Microclimate buffering and thermal tolerance across elevations in a tropical butterfly

Montejo‐Kovacevich

Martin

Meier

et al. 2020

Journal of Experimental Biology

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Impacts of selective logging management on butterflies in the Amazon

Cited by 25 publications

References 33 publications

Optimising nature conservation outcomes for a given region‐wide level of food production

Optimising nature conservation outcomes for a given region‐wide level of food production

Evaluating spatially explicit sharing‐sparing scenarios for multiple environmental outcomes

Microclimate buffering and thermal tolerance across elevations in a tropical butterfly

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