Tree‐gouging by marmosets (Primates: Callitrichidae) enhances tree turnover

Souza‐Alves, João Pedro; Barbosa, Guilherme V.; Hilário, Renato R.

doi:10.1111/btp.12825

Cited by 6 publications

(4 citation statements)

References 25 publications

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“…Nevertheless, this is a less-disturbed area with large trees and a restoration program that was implemented almost ten years ago (Oliveira et al 2015, Souza-Alves et al 2020. Any affirmative statements must be made with caution; however, we could suggest that these aspects may favor the high abundance of large seeds in the Jardim Botânico.…”

Section: Discussionmentioning

confidence: 91%

“…This is a small Atlantic Forest fragment (11 ha) composed of secondary forest vegetation in various successional stages of recovery (Veloso et al 1991). The area presents trees with a basal area of 18.5 m 2 /ha, a density of 203 trees/ha, and diversity of 3.6 nats/ individuals (Sousa Júnior 2006, Souza-Alves et al 2020). The vegetation is predominantly composed of Helicostylis tomentosa (Rosales, Moraceae), Parkia pendula (Fabales, Fabaceae), Dialium guianense (Fabales, Fabaceae), and Didymopanax morototoni (Apiales, Araliaceae) (Sousa Júnior 2006).…”

Section: Study Areamentioning

confidence: 99%

“…However, this area is connected to a large forest fragment and houses a considerable number of potential dispersal fauna species (J.P. Souza-Alves, personal observation). Contrarily, the Jardim Botânico do Recife is smaller and isolated, but does not experience direct human interference (e.g., logging, trash, exotic plants), and presents a better-structured forest (Souza-Alves et al 2020). In this sense, we expected that i) a reduction of floristic homogenization in the Mata do Curado can occur due to their size and connectivity, resulting in a decreased non-shade tolerant species and small seeds.…”

Section: Introductionmentioning

confidence: 99%

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Ize, Density, Ecological Groups, and Dispersal Syndromes of the Seed Rain in Urban Atlantic Forest Fragments in Northeastern Brazil

Aragão

Rocha²,

Souza‐Alves

2023

Oecol. Aust.

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Urban expansion has been one of the main factors contributing to the reduction and fragmentation of tropical forests, and such urban green areas are crucial for conserving and maintaining local and regional biodiversity. This study assessed different aspects of the seed rain (seed size, seed density, dispersal syndromes, ecological groups) in two urban Atlantic Forest fragments (Jardim Botânico -11 ha / Mata do Curado -106 ha) in Recife, northeastern Brazil. We expected that i) the connectivity and large size would reduce the floristic homogenization in Mata do Curado, ii) the continuous human presence would increase the abundance of non-shaded tolerant species, and iii) in the Jardim Botânico the absence of connectivity and small size would reduce the abundance of shade-tolerant species (large seeds). A total of 50 fruit traps were maintained for 12 months at each site, and visits were performed fortnightly to collect seeds. The collected seeds were quantified, measured (length and width), and categorized into dispersal syndromes (zoochoric, anemochoric, autochoric) and ecological groups (shade and non-shade tolerant). 4,621 seeds were collected in the traps across the study period (Jardim Botânico: 1,778; 7 spp. / Mata do Curado: 2,843; 8 spp. plus 18 morphotypes). Overall, large seeds (15.1 mm -30 mm) were more abundant in the Jardim Botânico. Zoochoric seeds were longer in length and width in the Mata do Curado. As expected, connectivity and size appeared to contribute to the decrease of floristic homogenization, and human presence increased the abundance of non-shade tolerant seeds in the Mata do Curado. In contrast, albeit small and isolated, the Jardim Botânico demonstrated a higher abundance of shade-tolerant seeds. Our results reinforce the urgency of preserving urban forests to conserve regional biodiversity.

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Section: Discussionmentioning

confidence: 91%

Section: Study Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ize, Density, Ecological Groups, and Dispersal Syndromes of the Seed Rain in Urban Atlantic Forest Fragments in Northeastern Brazil

Aragão

Rocha²,

Souza‐Alves

2023

Oecol. Aust.

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“…Some authors [ 34 ] observed that the number of dead trees with marmoset scars was greater than dead trees without scars in a forest. Those authors proposed that marmosets increase the turnover of trees exploited for exudate by marmosets in small forests.…”

Section: Discussionmentioning

confidence: 99%

Tree Species and Morphology of Holes Caused by Black-Tufted Marmosets to Obtain Exudates: Some Implications for the Exudativory

Lamoglia

Boere

Picoli

et al. 2022

Animals

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Knowledge of the pattern of exploitation of trees can help us understand the relationship between marmosets and plants, especially in declining forests, such as those in the Brazilian Cerrado. Black-tufted marmosets (Callithrix penicillata) regularly exploit exudates by gouging the bark of trees with their specialized teeth. Determining preferred tree species to exploit exudates is important for forest management aimed at maintaining an essential food source for urban marmosets. We characterized the tree species, dendrometry, and the characteristics of the holes made by marmosets to obtain exudates. Based on these data, we proposed a gouging effort index (Chiseling Suitability Index for Marmosets, ChiSI). We identified 16 species belonging to 10 families of trees with gouging marks made by marmosets. Eleven new tree species used by black-tufted marmosets for exudates were identified in urban forests in the Cerrado. Exudate exploration was predominantly of medium intensity, with round holes concentrated in the canopy. The species Tapirira guianensis and Croton urucana were preferred. The ChiSI was characterized by a narrow range for both T. guianensis and C. urucana. Despite the flexibility of obtaining exudates, the black-tufted marmosets concentrate their exploitation to only a few tree species. The T. guianensis and C. urucana tree species should be considered the most important species for management plans and the preservation of black-tufted marmosets that live in urban forests in the Cerrado.

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Histological changes in the bark of Tapirira guianensis Aubl. (Anacardiaceae) caused by black-tufted marmoset gouging

et al. 2023

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Tree‐gouging by marmosets (Primates: Callitrichidae) enhances tree turnover

Cited by 6 publications

References 25 publications

Ize, Density, Ecological Groups, and Dispersal Syndromes of the Seed Rain in Urban Atlantic Forest Fragments in Northeastern Brazil

Ize, Density, Ecological Groups, and Dispersal Syndromes of the Seed Rain in Urban Atlantic Forest Fragments in Northeastern Brazil

Tree Species and Morphology of Holes Caused by Black-Tufted Marmosets to Obtain Exudates: Some Implications for the Exudativory

Histological changes in the bark of Tapirira guianensis Aubl. (Anacardiaceae) caused by black-tufted marmoset gouging

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