Plant reproductive phenology and dispersal patterns after natural regeneration in a limestone mining spoil banks

Frenedozo, Rita de Cássia

doi:10.1590/s1516-89132004000200014

Cited by 13 publications

(13 citation statements)

References 28 publications

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“…This mode of dispersal is characteristic of early-successional species (Uhl et al 1981, Frenedozo 2004, whose seeds are the first to arrive at a recently disturbed site (Fenner 1985). This mode of dispersal is characteristic of early-successional species (Uhl et al 1981, Frenedozo 2004, whose seeds are the first to arrive at a recently disturbed site (Fenner 1985).…”

Section: Discussionmentioning

confidence: 98%

Seed Dispersal by Birds and Bats in Lowland Philippine Forest Successional Area

Gonzales

Ingle²,

Lagunzad

et al. 2009

Biotropica

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In the tropical forests of SE Asia, only a few studies have dealt with the role animal dispersal plays in early forest succession and rehabilitation, and a comparison of bird and bat dispersal is even rarer. We investigated seed dispersal by birds and bats in a successional area in the lowland dipterocarp forest of the Subic Watershed Forest Reserve (SWFR) in Luzon Island, Philippines. Using pairs of day and night traps, we collected seeds during 3 mo of wet season and 3 mo of dry season in a 1.2-ha study site. Bird-dispersed seeds predominated over those dispersed by bats in terms of both seed abundance and number of seed species. The most abundant endozoochorous seed species were significantly biased toward either bird or bat dispersal. Birds and bats appeared to compete more strongly for fruit resources during the dry season than during the wet season, and bats responded more to changes in the seasons than birds did. GLM analyses showed that the factor that had the strongest influence on overall seed distribution was the number of fleshy-fruited trees surrounding the traps, and that the distribution pattern of day-dispersed seeds was affected by more physical factors (number of trees, size of trees, presence of fleshy-fruited and conspecific trees) in the study site than the pattern of night-dispersed seeds were. Given that birds are the more important dispersers in the study site, restoration efforts in SWFR might benefit by focusing on attracting these dispersers into its degraded habitats.

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Section: Discussionmentioning

confidence: 98%

Seed Dispersal by Birds and Bats in Lowland Philippine Forest Successional Area

Gonzales

Ingle²,

Lagunzad

et al. 2009

Biotropica

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“…Ecological knowledge is essential during restoration processes where it is necessary to manipulate an ecological system successfully to reach the desired goals (Davis and Slobodkin, 2004). When plantanimal interactions are established in a mining area, it is possible for these communities to support themselves and survive in the new environment (Frenedozo, 2004). Therefore, phenological behaviour is an important tool in degraded area recuperation programs, because it allows the selection of species that disperse in different periods.…”

Section: Discussionmentioning

confidence: 99%

“…Mining is one of the main activities that cause drastic changes in landscape (Frenedozo, 2004) and impacts on wildlife. Rehabilitation programs for these areas are sometimes difficult to implement, for there are some gaps in the knowledge about the "canga" environment.…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, studies that investigate the biology of native species are of great importance to their management and to the restoration of degraded areas. Phenological studies, which may be applied to the regeneration of forests (Parrado-Rosselli, 2006), help to understand plant-animal interactions, the communities' resource availability through time, and the evolution of the life history of animals that depend on plants for feeding (Frenedozo, 2004).…”

Section: Methodsmentioning

confidence: 99%

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Fructification phenology as an important tool in the recovery of iron mining areas in Minas Gerais, Brazil

2009

Braz. J. Biol.

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Abstract"Canga" is a name given to the ferruginous rocky fields that can be found in the "Quadrilátero Ferrífero" of Minas Gerais, Brazil. The endemism and species richness make them areas of special biological importance, regarded as high-priority for conservation. Nevertheless, they are being threatened by intense mining activity. Aiming to understand more about this flora, this study was performed in order to determine the maturation or dispersal period of the fruits of four Canga species, Alibertia vaccinioides K.Schum. (Rubiaceae), Coccoloba acrostichoides Cham. (Polygonaceae), Miconia sellowiana Naudin (Melastomataceae), and one probable new species of Calyptranthes Sw. (Myrtaceae). Although fruit maturation or dispersal tended to occur at the end of the dry season, some asynchrony was observed in these species, with food sources being available during most of the year. This shows that these species have the potential to attract animals the whole year round, and planting them for the recovery of iron mining areas may increase the community's self-regeneration capacity, leading to a more successful restoration process.

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“…It occurs from Minas Gerais, in southeast Brazil, to Rio Grande do Sul, in the extreme south (Lorenzi & Matos 2002). W. indica is an autochorous species that grows spontaneously in perennial agriculture forest plantations, along road sides, abandoned pastures, limestone mining quarries and unused plots of land (Rodrigues & Carvalho 2001, Frenedozo 2004, therefore being considered a weed of high economic importance in early-established communities (FrenedozoSoave 2003). Otherwise, W. indica may represent a rich food source to wasps which predate upon crop insect plagues (Macedo & Martins 1998.…”

Section: Methodsmentioning

confidence: 99%

Distribution and frequency of galls induced by Anisodiplosis waltheriae Maia (Diptera: Cecidomyiidae) on the invasive plant Waltheria indica L. (Sterculiaceae)

Almeida¹,

Santos²,

Silveira³

et al. 2006

Neotrop. Entomol.

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Distribuição e Freqüência de Galhas Induzidas porNearly 90% of all plants and 25% of all leaves were attacked by the gall midge, with an average of 0.67 galls/leaf. Leaf area had a weak effect on gall abundance while the number of leaves had no effect on gall abundance. Only 31% of the variation in gall abundance was explained by plant biomass. Natural enemies killed one third of the sampled galls. Predation accounted for 22.9% of gall mortality, unknown factors killed 7.6%, microhymenopteran parasitoids killed 2.5% and fungi only 1%. Mortality factors were not influenced by leaf area or gall density.

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Plant reproductive phenology and dispersal patterns after natural regeneration in a limestone mining spoil banks

Abstract: ABSTRACT

Cited by 13 publications

References 28 publications

Seed Dispersal by Birds and Bats in Lowland Philippine Forest Successional Area

Seed Dispersal by Birds and Bats in Lowland Philippine Forest Successional Area

Fructification phenology as an important tool in the recovery of iron mining areas in Minas Gerais, Brazil

Distribution and frequency of galls induced by Anisodiplosis waltheriae Maia (Diptera: Cecidomyiidae) on the invasive plant Waltheria indica L. (Sterculiaceae)

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