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270 results for “Rain Forest”
Data from: Successional status, seed dispersal mode and overstorey species influence tree regeneration in tropical rain-forest fragments in Western Ghats, India
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Radial changes in wood functional traits in a rain forest from Eastern Amazonia
<p>Trees can modify their wood structure in response to changes in mechanical, hydraulic and storage demands during their life-cycles. Thus, examining radial variations in wood traits is important to expand our knowledge of tree functioning and species ecological strategies. Yet, several aspects of radial changes in wood functional traits are still poorly understood, especially in tropical angiosperm trees.</p> <p>Here, we examined radial shifts in wood traits in trunks of lowland tropical forest species and explored their potential ecological implications. We measured wood specific gravity (WSG) and eight wood anatomical traits in 19 tree species with contrasting shade-tolerance. We first examined radial variations in WSG and wood anatomical traits. Then, we asked if anatomical traits drove radial variations in WSG, and whether WSG, vessel fraction and vessel composition, <em>i.e.,</em> the ratio between vessel lumen area and number, vary independently from each other along the radius gradients.</p> <p>Most species had significant radials shifts in WSG and/or wood anatomical traits. Positive radial gradients in WSG were explained by different combinations of fiber and parenchyma traits, while negative radial shifts were mainly unrelated to anatomical traits. We also found that, in general, WSG, vessel fraction and vessel composition were unrelated in any radial position.</p> <p>This study illustrates the substantial radial variations in wood functional traits that occur in tree species from a lowland tropical forest. Our results provide valuable insights into stem allocation patterns during tree development, which would be important to increase our knowledge on tree functioning and life-history variations across coexisting species.</p> <p> </p>
FIGURE 2 in A new species of Liotyphlops (Serpentes: Anomalepididae) from the Atlantic Rain Forest of Northeastern Brazil
FIGURE 2. Liotyphlops trefauti sp. nov. (MZUSP 12179, paratype), in life.
FIGURE 16. Novonothrus flagellatus Hammer, 1966 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 16. Novonothrus flagellatus Hammer, 1966; deutonymph; a) dorsal; b) ventral.
FIGURE 24 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 24. Trichonothrus hallidayi sp. nov., tritonymph; a) dorsal; b) ventral.
FIGURE 7 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 7. Novonothrus glabriseta sp. nov., protonymph; a) dorsal; b) ventral.
FIGURE 20 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 20. Trichonothrus hallidayi sp. nov., holotype female; a) dorsal; b) ventral; c) lateral.
FIGURE 5 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 5. Novonothrus coronospinosus sp. nov., tritonymph; a) dorsal; b) ventral.
FIGURE 9 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 9. Novonothrus glabriseta sp. nov., tritonymph; a) dorsal; b) ventral.
FIGURE 23 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 23. Trichonothrus hallidayi sp. nov., protonymph; a) dorsal; b) ventral.
FIGURE 4 in A review of the oribatid mite family Nothridae in Australia, with new species of Novonothrus and Trichonothrus from rain forest and their Gondwanan biogeographical affinities (Acari: Oribatida)
FIGURE 4. Novonothrus coronospinosus sp. nov., deutonymph; a) dorsal; b) ventral.
Fig. 3 in Who Steals the Eggs? Coprophanaeus Telamon (Erichson) Buries Decomposing Eggs in Western Amazonian Rain Forest (Coleoptera: Scarabaeidae)
Fig. 3. Excavated egg and Coprophanaeus telamon telamon (Erichson), same ''nest'' site.
Fig. 2 in Who Steals the Eggs? Coprophanaeus Telamon (Erichson) Buries Decomposing Eggs in Western Amazonian Rain Forest (Coleoptera: Scarabaeidae)
Fig. 2. At the same ''nest'' site, tunnel of dung beetle that leads to the egg.
Seed rain and soil seed banks in Chinese fir plantations and an adjacent natural forest
<p>The natural regeneration of native broadleaved species underneath forest monoculture plantations is important to recover ecosystem functions and to mitigate adverse environmental effects. To understand how seed rain and soil seed banks facilitate natural regeneration, we surveyed their density and composition in a monoculture Chinese fir plantation, a mixed Chinese fir–broadleaf plantation, and an adjacent natural broadleaved forest for two years in southern China. Twenty-eight species (16 families) were in seed rain, and 45 species (27 families) were in soil seed banks. Seed rain density did not differ significantly across stands; however, the number of taxa in seed rain was highest in the mixed plantation and lowest in the natural forest. Seed bank density was significantly higher in the mixed plantation than in the other stands. The Sørensen similarity indices of species composition between seed sources and aboveground vegetation were relatively low (<0.50). In addition, the seeds of native tree species common to the seed banks of the three forests indicated the adjacent natural forest was a seed source for the natural regeneration of native species in forest plantations. To augment regeneration and accelerate the rate of conversion, we recommend direct seeding or planting of desired species.</p>
Supplementary material 2 from: Rodriguez-Cabal MA, Gibbons TC, PM, Barrios-Garcia MN, Crutsinger GM (2015) Comparing functional similarity between a native and an alien slug in temperate rain forests of British Columbia. NeoBiota 25: 1-14. https://doi.org/10.3897/neobiota.25.8316
Alien black slug: Explanation note: Alien black slug eating a mushroom in the forest.
Supplementary material 1 from: Rodriguez-Cabal MA, Gibbons TC, PM, Barrios-Garcia MN, Crutsinger GM (2015) Comparing functional similarity between a native and an alien slug in temperate rain forests of British Columbia. NeoBiota 25: 1-14. https://doi.org/10.3897/neobiota.25.8316
Mesocosm: Explanation note: Detail of the mesocosm
FIGURE 2 in Discovery of the Dinoponera lucida male (Hymenoptera, Formicidae), a threatened giant ant from the Atlantic rain forest
FIGURE 2. Dinoponera lucida male abdominal tergum VIII (A) and penisvalva (B).
FIGURE 1 in Discovery of the Dinoponera lucida male (Hymenoptera, Formicidae), a threatened giant ant from the Atlantic rain forest
FIGURE 1. Dinoponera lucida male habitus (A), cabeça (B), and mesosoma (C).
FIGURE 2 in A new Miconia (Melastomataceae: Miconieae) from upland rain forest of northwestern Guyana
FIGURE 2. Geographic distribution of Miconia angustidentata.
Figure 2 in Diet and feeding behaviour of the leaf-litter frog Ischnocnema henselii (Anura: Brachycephalidae) in Araucaria rain forests on the Serra Geral of Rio Grande do Sul, Brazil
Figure 2. Relationship between mouth width and number of ingested animal prey items.
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