Can timber provision from Amazonian production forests be sustainable?

Piponiot, Camille; Rödig, Edna; Putz, Francis E.; Rutishauser, Ervan; Sist, Plínio; Ascarrunz, Nataly; Blanc, Lilian; Derroire, Géraldine; Descroix, Laurent; Guedes, Marcelino Carneiro; Coronado, Eurídice Honorio; Huth, Andreas; Kanashiro, Milton; Licona, Juan Carlos; Mazzei, Lucas; d’Oliveira, Marcus Vinício Neves; Peña-Claros, Marielos; Rodney, Ken; Shenkin, Alexander; Souza, Cíntia Rodrigues de; Vidal, Edson; West, Thales A. P.; Wortel, Verginia; Hérault, Bruno

doi:10.1088/1748-9326/ab195e

Cited by 72 publications

(81 citation statements)

References 55 publications

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“…Because only 50%-80% of production forest area is considered suitable for logging due to steep slopes, riparian buffers and previous heavy degradation [41,42], the PPF area is multiplied by a coefficient π=58%. This value corresponds to the mean ratio between the area actually logged and the total area of forest concessions in French Guiana [34], and is similar to other pan-tropical data [43].…”

Section: Ppf Areasupporting

confidence: 84%

“…IFL p is the total area of IFLs in grid cell p, based on data from Potapov et al [27]. Trec p,z is the amount of timber recovered in grid cell p after logging during the cutting cycle duration under logging type z, calculated with a previously developed volume recovery model calibrated at the Amazonian scale [34] (see paragraph 'ES prioritisation'). The optimal spatial configuration for each strategy is found with integer linear programming using a methodology adapted from the optimisation software Marxan with Zones [35,36], using the package prioritzr [37] developed in R programming language [38].…”

Section: Acronymmentioning

confidence: 99%

“…T •,0 , C •,0 , and B •,0 are respectively the mean timber volume [34], mean carbon stocks [20] and mean potential richness of mammals and amphibians [44] in unlogged forests (z=0) over all grid cells.…”

Section: Es Prioritisationmentioning

confidence: 99%

“…where vext z is the logging intensity associated to logging type z and Trec p,z is the timber recovery in grid cell p under logging type z, calculated with a previously developed volume recovery model calibrated at the Amazonian scale [34], with all parameters set to their maximum likelihood value. ΔC p,z is calculated as:…”

Section: Es Prioritisationmentioning

confidence: 99%

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Optimal strategies for ecosystem services provision in Amazonian production forests

Piponiot

Rutishauser

Derroire

et al. 2019

Environ. Res. Lett.

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Although tropical forests harbour most of the terrestrial carbon and biological diversity on Earth they continue to be deforested or degraded at high rates. In Amazonia, the largest tropical forest on Earth, a sixth of the remaining natural forests is formally dedicated to timber extraction through selective logging. Reconciling timber extraction with the provision of other ecosystem services (ES) remains a major challenge for forest managers and policy-makers. This study applies a spatial optimisation of logging in Amazonian production forests to analyse potential trade-offs between timber extraction and recovery, carbon storage, and biodiversity conservation. Current logging regulations with unique cutting cycles result in sub-optimal ES-use efficiency. Long-term timber provision would require the adoption of a land-sharing strategy that involves extensive low-intensity logging, although high transport and road-building costs might make this approach economically unattractive. By contrast, retention of carbon and biodiversity would be enhanced by a land-sparing strategy restricting highintensive logging to designated areas such as the outer fringes of the region. Depending on management goals and societal demands, either choice will substantially influence the future of Amazonian forests. Overall, our results highlight the need for revaluation of current logging regulations and regional cooperation among Amazonian countries to enhance coherent and transboundary forest management.

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Section: Ppf Areasupporting

confidence: 84%

Section: Acronymmentioning

confidence: 99%

Section: Es Prioritisationmentioning

confidence: 99%

Section: Es Prioritisationmentioning

confidence: 99%

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Optimal strategies for ecosystem services provision in Amazonian production forests

Piponiot

Rutishauser

Derroire

et al. 2019

Environ. Res. Lett.

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“…, Piponiot et al. , ) and requiring the use of a chainsaw, were removed. Without metal, these species were significantly less used by pre‐Columbian populations than in the present day.…”

Section: Methodsmentioning

confidence: 99%

Long‐term influence of early human occupations on current forests of the Guiana Shield

Odonne

Bel

Burst

et al. 2019

Ecology

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To decipher the long-term influences of pre-Columbian land occupations on contemporary forest structure, diversity, and functioning in Amazonia, most of the previous research focused on the alluvial plains of the major rivers of the Amazon basin. Terra firme, that is, nonflooded forests, particularly from the Guiana Shield, are yet to be explored. In this study, we aim to give new insights into the subtle traces of pre-Columbian influences on present-day forests given the archaeological context of terra firme forests of the Guiana Shield. Following archaeological prospects on 13 sites in French Guiana, we carried out forest inventories inside and outside archaeological sites and assessed the potential pre-Columbian use of the sampled tree species using an original ethnobotanical database of the Guiana Shield region. Aboveground biomass (320 and 380 T/ha, respectively), basal area (25-30 and 30-35 m 2 /ha, respectively), and tree density (550 and 700 stem/ha, respectively) were all significantly lower on anthropized plots (As) than on nonanthropized plots (NAs). Ancient human presence shaped the species composition of the sampled forests with Arecaceae, Burseraceae, and Lauraceae significantly more frequent in As and Annonaceae and Lecythidaceae more frequent in NAs. Although alpha diversity was not different between As and NAs, the presence of pre-Columbian sites enhances significantly the forest beta diversity at the landscape level. Finally, trees with edible fruits are positively associated with pre-Columbian sites, whereas trees used for construction or for their bark are negatively associated with pre-Columbian sites. Half a millennium after their abandonment, former occupied places from the inner Guiana Shield still bear noticeable differences with nonanthropized places. Considering the lack of data concerning archaeology of terra firme Amazonian forests, our results suggest that pre-Columbian influences on the structure (lower current biomass), diversity (higher beta diversity), and composition (linked to the past human tree uses) of current Amazonian forests might be more important than previously thought.

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From plots to policy: How to ensure long‐term forest plot data supports environmental management in intact tropical forest landscapes

Baker

Miñano²,

Banda-R

et al. 2020

Plants People Planet

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Can timber provision from Amazonian production forests be sustainable?

Cited by 72 publications

References 55 publications

Optimal strategies for ecosystem services provision in Amazonian production forests

Optimal strategies for ecosystem services provision in Amazonian production forests

Long‐term influence of early human occupations on current forests of the Guiana Shield

From plots to policy: How to ensure long‐term forest plot data supports environmental management in intact tropical forest landscapes

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