Wildfires as a major challenge for natural regeneration in Atlantic Forest

Santos, João Flávio Costa dos; Gleriani, José Marinaldo; Velloso, Sidney Geraldo Silveira; Souza, Guilherme Silvério Aquino de; Amaral, Cibele Hummel do; Torres, Fillipe Tamiozzo Pereira; Medeiros, Nilcilene das Graças; Reis, Mateus

doi:10.1016/j.scitotenv.2018.09.016

Cited by 32 publications

(16 citation statements)

References 35 publications

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“…Our results highlight the need to assess regeneration processes at the local scale, in a qualitative way and not only in a quantitative way. Some studies have documented an increase in forest cover in the tropics (e.g., Aide et al 2012 in Costa Rica and de Rezende et al, 2015;Rezende et al, 2018;dos Santos et al, 2019, in the BAF) but the nature of the regeneration pathways is frequently ignored. Observing community composition directly and assessing both the functional composition and the provision of ecosystem services would also be helpful to understand if the observed secondary forest are recovering or stuck in lowfunctioning secondary forests.…”

Section: Discussionmentioning

confidence: 99%

“…Dominance-shifts and divergent successional trajectories, such as these may be occurring along the whole Atlantic Forest, given the long time degradation history of the biome (Dean, 1996;Joly et al, 2014), the increasing fire frequency (dos Santos et al, 2019;de Jesus et al, 2020), and the existence of many more areas dominated by M. polymorphum in several degraded areas in the biome (Figure 6). If no action is taken (i.e., if ecological restoration relies solely in natural regeneration in these areas), the system can swing between two stable states, depending on the fire regimes.…”

Section: Discussionmentioning

confidence: 99%

“…The most detailed recent survey estimates that 28% of the original area of the Brazilian Atlantic Forest (BAF) corresponds to native vegetation (Rezende et al, 2018). In the BAF, fire severity is one of the most critical processes affecting natural regeneration (dos Santos et al, 2019). Under the scope of fragmentation and edge effects, abandoned pastures are anthropogenic matrices that surround forest fragments (Tabarelli et al, 2010;Melo et al, 2013), but it is more important than ever to treat them as potentially regenerating vegetation.…”

Section: Introductionmentioning

confidence: 99%

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Glass Half-Full or Half-Empty? A Fire-Resistant Species Triggers Divergent Regeneration in Low-Resilience Pastures

Sánchez‐Tapia

Sansevero

Garbin

et al. 2020

Front. For. Glob. Change

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Glass Half-Full or Half-Empty? A Fire-Resistant Species Triggers Divergent Regeneration in Low-Resilience Pastures

Sánchez‐Tapia

Sansevero

Garbin

et al. 2020

Front. For. Glob. Change

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“…Areas requiring some sort of recovery in different degraded ecosystems of Brazil reach about 21 million hectares and are characterized as with legal deficit of native vegetation [ 1 ]. Much of this area is located in the Atlantic Forest biome, considered the most altered in Brazil, with an estimate of only 12.5% of its original cover [ 2 ], and one of the most important for conservation worldwide [ 3 ]. With the degradation defined in the context of a resilience-based approach, when core interactions and feedbacks are broken, human intervention is required to initiate a trajectory of recovery [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Water requirement and growth indicators of forest tree species seedlings produced with automated irrigation management

et al. 2020

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The lack of information regarding the water requirement of tree species results in water waste in the seedlings production in nurseries. Water requirement, the growth plant factors and water efficiencies for height and diameter were determined for Schizolobium parahyba (Vell.) Blake, Cytharexylum myrianthum Cham. and Ceiba speciosa Ravenna seedlings, under automated irrigation management and greenhouse conditions, located at 22 o 45’53” S and 43 o 41’50” W. We used sewage sludge biosolids as substrate in the seedling phase (280 cm -3 tube), and sandy soil material in the initial pot growth phase (18 dm -3 pot). In the seedlings phase, four water replacement levels were applied to the substrate, by drip irrigation, corresponding to average replacement ranging from 40 (V1) to 100% (V4) of the species water requirement. Seedlings developed properly and 80 days after emergence, S . parahyba , C . myrianthum and C . speciosa seedlings received, respectively, 2.40, 1.08 and 0.85 L per plant, for V4. After growth phase (230 DAE), the total water volumes were, respectively, 70.0, 50.3 and 52.7 L per plant. Under adequate water supply, there were rapid recovery and growth of the species, even for the seedlings which showed different height and diameter in the tube phase. The growth plant factors values found were below 0.5 for all species indicating low sensitivity to growth, both in height and in diameter, in response to water deficit. Water efficiency indicators point to distinct trends between the two phases, and C . speciosa has higher values of water efficiencies for height (80.7 and 17.0 cm L -1 ) and diameter (2.1 and 0.5 mm L -1 ) in both phases.

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Section: Introductionmentioning

confidence: 99%

Water requirement and growth indicators of forest tree species seedlings produced with automated irrigation management

Bueno

Leles

Abreu

et al. 2020

Preprint

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The lack of information regarding the water requirement of tree species promotes water waste in the seedlings production in nurseries. Water requirement, the growth plant factors and water efficiencies for height and diameter were determined for Schizolobium parahyba (Vell.) Blake, Cytharexylum myrianthum Cham. and Ceiba speciosa Ravenna seedlings, under greenhouse conditions and automated irrigation management. We used sewage sludge biosolids as substrate in the seedling phase (280 cm-3 tube), and sandy soil material in the initial pot growth phase (18 dm-3 pot). In the seedlings phase, four water replacement levels were applied to the substrate, by drip irrigation, meaning average replacement ranging from 40 (V1) to 100% (V4) of species water requirement. Seedlings developed properly and 80 days after emergency, S. parahyba, C. myrianthum and C. speciosa seedlings received, respectively, 2.40, 1.08 and 0.85 L per plant, for V4. After growth phase (230 DAE), the total water volumes were, respectively, 70.0, 50.3 and 52.7 L per plant. Under adequate water supply, there were rapid recovery and growth of the species, even for the seedlings which showed different height and diameter in the tube phase. The growth plant factors values found were below 0.5 for all species indicating low sensibility to growth, both in height and in diameter, in response to water deficit. Water efficiency indicators point to distinct trends between the two phases, and C. speciosa present higher values of water efficiencies for height (80.7 and 17.0 cm L-1) and diameter (2.1 and 0.5 mm L-1) in both phases.

show abstract

Wildfires as a major challenge for natural regeneration in Atlantic Forest

Cited by 32 publications

References 35 publications

Glass Half-Full or Half-Empty? A Fire-Resistant Species Triggers Divergent Regeneration in Low-Resilience Pastures

Glass Half-Full or Half-Empty? A Fire-Resistant Species Triggers Divergent Regeneration in Low-Resilience Pastures

Water requirement and growth indicators of forest tree species seedlings produced with automated irrigation management

Water requirement and growth indicators of forest tree species seedlings produced with automated irrigation management

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