Ecology of morphological fruit types, and fruit and seed colors in 27 Venezuelan plant communities

Ramírez, Nelson

doi:10.1016/j.actao.2022.103838

Cited by 2 publications

(1 citation statement)

References 54 publications

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“…In other greenbelts, the frequency of Alternanthera philoxeroides increased significantly without the inhibition of Phragmites australis. As shade-tolerant ground cover plants [42,43], Oplismenus undulatifolius and Oxalis corniculata presented as the top two high-frequency species in other green spaces. Oxalis corniculata propagated rapidly and could be used for greening quickly.…”

Section: Composition and Distribution Of Spontaneous Plants In Ecolog...mentioning

confidence: 99%

Diversity of Spontaneous Plants in Eco-Parks and Its Relationship with Environmental Characteristics of Parks

Yang¹,

Fu³

et al. 2023

Forests

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Suburban areas connect the city and the natural land. This kind of area is subject to high ecological sensitivity. To give full play to the ecological value of spontaneous plants, it was applied to the construction of suburban parks. We need to explore the influence factors of park characteristics on spontaneous plants. This study takes Jiangyangfan Ecological Park as the main research object. We have investigated the spontaneous plants in it and the surrounding parks. Hence, 16 kinds of park environmental characteristic factors were selected to explore their effects on the composition and diversity of spontaneous plants. The results showed that: (1) There were 138 species of spontaneous plants belonging to 126 genera and 62 families in Jiangyangfan Ecological Park. Native plants accounted for 88.10%. (2) The Shannon-Wiener diversity index of spontaneous plants was ranked as Jiangyangfan Ecological Park > White Pagoda Park > Eight Diagrams Field Relic Park > Haiyue Waterscape Park. (3) Among the overall characteristic factors, the park perimeter and the actual accessible area had the most significant positive correlation to the diversity of spontaneous plants (p < 0.05). Among the environmental element characteristic factors, the Shannon-Wiener diversity index of cultivated plants had the strongest positive correlation with the diversity of spontaneous plants (p < 0.01). The number of water bodies presented the strongest negative correlation (p < 0.01). This study provides a useful reference for the rational planning of parks in suburban areas and the construction of sustainable urban and rural landscapes. The research results will contribute to the restoration of the ecological environment.

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Section: Composition and Distribution Of Spontaneous Plants In Ecolog...mentioning

confidence: 99%

Diversity of Spontaneous Plants in Eco-Parks and Its Relationship with Environmental Characteristics of Parks

Yang¹,

Fu³

et al. 2023

Forests

View full text Add to dashboard Cite

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Allometry and the distribution of fruit and seed traits across tropical plant species

Ramírez,

Briceño

2024

Austral Ecology

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Fruit and seed morphometry was studied across 1070 plant species belonging to 140 families from 27 contrasting plant communities. The main objectives were to identify allometric relationships and describe the frequency distributions of the weights and sizes of fruits and seeds across plant species, regardless of any qualitative attribute or community type. The frequency distributions of 12 morphometric variables were then determined. Pearson correlations were used to describe associations between quantitative attributes and estimate the slopes of the lines (allometric coefficients) obtained. In general, small fruits and seeds (<1 cm) prevailed in the sample examined. The frequency distributions of the weight and size parameters of the fruits and seeds were bell‐shaped, with the exception of the number of seeds per fruit, which was skewed to the right. The highest allometric coefficients were found between the dry weights and sizes of the fruits and seeds, suggesting that these traits are mutually supporting. The cost of seed packaging per fruit, or the pericarp/seed ratio, tended to decrease with increasing investment in progeny, and the number of seeds per fruit decreased with an increase in seed weight. The significant associations between the fruit shape indexes and the morphometric attributes show that the shape of fruits is related to their size and weight. The highest allometric coefficients were found between the dry weights and sizes of the fruits and seeds. Fruit and seed size can predict their biomass and vice versa. There is a close relationship between fruit biomass values and their components (seeds and pericarp). Most species invest more biomass in pericarp (protection and dispersal) compared with the investment in progeny (seed per fruit). The sample examined could be influenced taxonomically along with selective pressures that favour the reproductive economy of the species and suggest that morphometric traits have evolved in coordination.

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Ecology of morphological fruit types, and fruit and seed colors in 27 Venezuelan plant communities

Cited by 2 publications

References 54 publications

Diversity of Spontaneous Plants in Eco-Parks and Its Relationship with Environmental Characteristics of Parks

Diversity of Spontaneous Plants in Eco-Parks and Its Relationship with Environmental Characteristics of Parks

Allometry and the distribution of fruit and seed traits across tropical plant species

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