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FIG. 17 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 17. — Distribution map of Acalypha bailloniana Müll.Arg. in Comoros Archipelago.

FIG. 15 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 15. — Distribution map of Acalypha andringitrensis Leandri in Madagascar.

FIG. 31 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 31. — Distribution map of Acalypha fimbriata Schumach. & Thonn. in Madagascar.

FIG. 25 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 25. — Distribution map of Acalypha claoxyloides Hutch. in Seychelles (Aldabra group).

FIG. 22 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 22. — Distribution map of Acalypha cardielii I.Montero & G.A.Levin in Madagascar.

FIG. 1 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 1. — Map of the Western Indian Ocean Region (WIOR).

FIG. 30 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 30. — Distribution map of Acalypha filiformis Poir. in Mascarene Islands.

FIG. 16 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 16. — Distribution map of Acalypha ankaranensis I.Montero & Cardiel in Madagascar.

FIG. 14 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 14. — Distribution map of Acalypha baretiae I.Montero & Cardiel in Madagascar.

FIG. 37 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 37. — Distribution map of Acalypha indica L. in the whole WIOR region.

FIG. 13 in Monograph of Acalypha L. (Euphorbiaceae) of the Western Indian Ocean Region, with the description of a new species from Mayotte

FIG. 13. — Distribution map of Acalypha diminuta Baill. in Madagascar.

opencc-by-4.0Dec 2023View details →

Data presented in figures of "Measurement Report: Insights into the chemical composition and origin of molecular clusters and potential precursor molecules present in the free troposphere over the Southern Indian Ocean: observations from the Maïdo observatory (2150 m a.s.l., Reunion Island)"

This dataset includes the data shown in the figures of "Measurement Report: Insights into the chemical composition and origin of molecular clusters present in the free troposphere over the Southern Indian Ocean: observations from the Maïdo observatory (2150 m a.s.l., Reunion Island)". Read me files containing information on the reported data can be found in the different folders.

dryad36/100

Western Indian Ocean coral and fish normalized site richness collected between 1991 to 2000

Aim: Strong social-ecological trade-offs between resource extraction and protection have created challenges for large, protected area management in natural-resource-dependent countries. Therefore, local governments and community conservation activities are becoming common and need information about low environmental exposure and high biodiversity for planning localized conservation activities. Location: the western Indian Ocean Methods: Coral reef sites were evaluated for local scale environmental and species richness to elucidate local patterns in spatial heterogeneity. Local coral and fish taxonomic richness were normalized to partially account for common and heterogeneous disturbances to coral cover and fish biomass. Residuals were evaluated for patterns of local diversity with geography, environmental stress, and by machine learning to evaluate the relationship with 21 specific environmental variables. Results: High variability in richness was found at similar latitudes where richness was high. Relationships with specific environmental and human influences variables were complex and spatially heterogeneous. Expected large-scale biogeographic variables influenced richness but variability and environmental influences were highly specific and localized. Among the environmental and human influence variables examined, ~ 8 variables contributed 8 to 25% of the variance to the richness of both coral and fishes. Main conclusions: Decisions to focus small-scale conservation on locally biodiverse locations could contribute to species persistence by planning for local heterogeneity in richness and stress. From this specific data set, sites in the Pemba Channel between the Tanzanian mainland and Pemba Island, and northern Mozambique and Madagascar fit these characteristics.

opencc-zeroDec 2023View details →

dryad36/100

Data from: Same places, same stories? Genomics reveals similar structuring and demographic patterns for four Pocillopora coral species in the southwestern Indian Ocean

Aim Efficiently protecting species requires knowing their ecological, life history and reproductive traits. This is particularly decisive for scleractinian corals, key components of coral reefs, which are experiencing critical declines. Yet their connectivity remains insufficiently documented. Here, we focused on four distinct species of the coral genus Pocillopora found in diverse habitats of the southwestern Indian Ocean and presenting various reproductive strategies. We aimed to understand whether these traits affect species connectivity. Location Archipelagos and islands of the southwestern Indian Ocean. Taxon Pocillopora spp. Methods We used target-capture to collect single-nucleotide polymorphisms (SNPs) from over a thousand colonies sampled across nine localities. From the ca. 1,400 SNPs retained per species, Bayesian clustering methods, networks and demographic inferences were applied to first infer the population genetic structure and connectivity of each species, then the demographic history of each population. Results All four Pocillopora species exhibited almost the same genetic structuring pattern, reflecting the sampled ecoregions (Madagascar and surrounding islands vs. Mascarene Islands). However, the genetic differentiation was stronger ( FST about 10 times higher) for P. acuta, the species inhabiting more enclosed habitats, such as lagoons and shallow waters, and reproducing mainly asexually. Similarly, all populations, except those from P. acuta, showed a signature of population expansion ca. 100,000 years ago, following the penultimate glacial period. Main conclusions These results indicate reduced gene flow between Madagascar and the Mascarenes, probably linked to currents, suggesting distinct connectivity networks that should be considered independently when setting up conservation plans. In addition, shared demographic histories reflect that populations from these species have probably met the same environmental constraints and reacted similarly, something that should be considered in light of the ongoing rapid climate change.

opencc-zeroJan 2024View details →

Figure 9 in Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species

Figure 9. – Eleotris acanthopoma, Athanas River, Mahe, Seychelles Islands (© P. Keith).

Figure 7. – Eleotris diamsoi n in Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species

Figure 7. – Eleotris diamsoi n. sp., Ankazofotsy, Madagascar (© P. Keith).

Figure 11 in Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species

Figure 11. – Eleotris fusca, Rarotonga, Cook Islands (© P. Keith).

Figure 5. – Eleotris sahanaensis n in Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species

Figure 5. – Eleotris sahanaensis n. sp., Sahana River, Madagascar (tag 13003) (© M.I. Mennesson).

Figure 4 in Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species