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1,445 results for “species richness.”
Fig. 7 in Richness of Dendrocephalus (Branchiopoda, Anostraca) in Brazil with the description of two new species
Fig. 7. Photographs of different temporary pools inhabited by Dendrocephalus Daday, 1908 in Brazil. A. Dendrocephalus brasiliensis Pesta, 1921 from Ceará. B. D. carajaensis Rogers, Gomes & Vieira, 2012 from Serra dos Carajás, Pará. C. D. goiasensis Rabet & Thiéry, 1996 from Iaciara, Goiás. D. D. orientalis Rabet & Thiéry, 1996 from Jequié, Bahia. E. D. orientalis from Palmas de Monte Alto, Bahia. F–G. D. thieryi Rabet, 2006 from Buritizeiro, Minas Gerais. H. Locus typicus of D. aranai Rabet & Lacau sp. nov. from Jequitinhonha, Minas Gerais. I. Locus typicus of D. xikrini Rabet & Bozelli sp. nov. from Serra dos Carajás, Pará.
Fig. 20 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 20. Species richness in the Adriatic Sea divided by sectors.: 1–9 species;: 10–17 species;: 18–26 species.
Fig. 19 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 19. Maximum likelihood tree based on partial 28S rDNA sequences of Calcaronea. Bayesian posterior probabilities (PP) and bootstrap values (BS) are given near the branches (PP/BS; when>0.50). Adriatic specimens are written in bold. Adriatic specimens obtained in this study are marked with an asterisk. The detached tree shows the only difference in the topology of the ML and Bayesian analyses.
Fig. 18 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 18. Maximum likelihood tree based on ITS1-5.8S-ITS2 rDNA sequences of Calcaronea. Bayesian posterior probabilities (PP) and bootstrap values (BS) are given near the branches (PP/BS; when>0.50).
Fig. 17 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 17. Maximum likelihood tree (ML) based on partial 28S rDNA sequences of Calcinea. Bayesian posterior probabilities (PP) and bootstrap values (BS) are given near the branches (PP/BS; when>0.50). Adriatic species are written in bold. Adriatic specimens obtained in this study are marked with an asterisk.
Fig. 16 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 16. Maximum likelihood (ML) tree based on ITS1-5.8S-ITS2 rDNA sequences of Calcinea. Bayesian posterior probabilities (PP) and bootstrap values (BS) are given near the branches (PP/BS; when>0.50). Adriatic specimens are written in bold; *Adriatic specimens obtained during this study; **Mediterranean specimens of Borojevia cerebrum; ***Brazilian specimens of Clathrina conifera.
Fig. 13 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 13. Paraleucilla dalmatica sp. nov., holotype (IRB-SD5 = UFRJPOR 8346). A. Cortical diactine (scale bar = 50 µm). B. Cortical microdiactine (scale bar = 20 µm). C–D. Cortical tetractines. E. Cortical triactine. F–H. Subatrial triactines. I–K. Subatrial tetractines. L–M. Atrial tetractines. Scale bar C–M = 100 µm.
Fig. 2 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 2. Ascaltis reticulum (PMR 13739 = UFRJPOR 6870). A. Specimen in situ. B. Section showing the perpendicular arrangement of diactines. C. Regular triactines. D. Regular tetractine. E. Apical actine of a tetractine covered with short spines. F. Diactine.
Fig. 1 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 1. Map of the Croatian coast. Studied locations along the coast are marked with gray circles and numbers. 1. Near Selce. 2. Island of Pag. 3. Near Zadar. 4. Island of Blitvenica. 5. Near Split. 6a–b. Island of Čiovo. 7. Island of Brač. 8. Vrulja Cove. 9. Port of Ploče. 10. Prapratno Cove. 11. Near
Fig. 5 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 5. Borojevia croatica sp. nov., holotype (PMR 13740 = UFRJPOR 6864). A. Specimen in situ. B. Tangential section. C. Tripod. D. Triactines. E. Tetractine. F. Apical actine of a tetractine ornamented
Fig. 12 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 12. Paraleucilla dalmatica sp. nov., holotype (IRB-SD5 = UFRJPOR 8346). A. Specimen in ethanol. B. Cross section. C. Cortex. D. Detail of the cortex showing the tufts of diactines (white arrow = trichoxeas; black arrow = diactine). E. Choanosome with the outer and inner regions. F. Atrial skeleton.
Fig. 11 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 11. Leucandra spinifera sp. nov., holotype (IRB-SG3 = UFRJPOR 8348). A–B. Cortical diactines (scale bar = 200 µm). C. Microdiactine (scale bar = 20 µm). D. Detail of the spines of a microdiactine (scale bar = 10 µm). E–F. Cortical triactines. G. Choanosomal triactine. H–I. Choanosomal tetractines. J–L. Atrial triactines. M. Atrial tetractine. Scale bar E–M = 100 µm.
Fig. 3 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 3. Ascandra spalatensis sp. nov., holotype (PMR 17806 = UFRJPOR 7540). A. Specimen in ethanol. B. Tangential section. C. Triactines. D. Tetractines. E. Apical actine of a tetractine.
Fig. 4 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 4. Borojevia cerebrum (IRB-CLB33 = UFRJPOR 7539). A. Specimen in ethanol. B. Tangential section. C. Tripods. D. Triactines. E. Small tetractine. F. Large tetractine. G. Apical actine of a tetractine ornamented with spines.
Fig. 7 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 7. Clathrina primordialis (IRB-CLB3 = UFRJPOR 6863). A. Specimen in situ. B. Tangential section. C. Triactines with variable sizes and shapes.
Fig. 15 in Adriatic calcarean sponges (Porifera, Calcarea), with the description of six new species and a richness analysis
Fig. 15. Sycon ancora sp. nov., holotype (PMR 17809 = UFRJPOR 8345). A. Cortical diactine. B–C. Anchor-like tetractines. D–E. Triactines of the cones. F–H. Tubar triactines. I. Subatrial triactine. J. Atrial triactine. K. Atrial tetractine. Scale bar D–K = 100 µm.
Data from: An effective method for ecosystem-scale manipulation of bird abundance and species richness
Manipulation experiments are a cornerstone of ecological research, but can be logistically challenging to execute – particularly when they are intended to isolate the ecological role of large, vagile species, like birds. Despite indirect evidence that birds are influential in many ecosystems, large-scale, multi-year bird manipulation experiments are rare. When these studies are conducted, they are typically realized with caged or netted exclosures, an approach that can be expensive, risky for wildlife, and difficult to maintain. In cases where caged exclosures are not appropriate, alternate approaches are needed to allow rigorous empirical studies on the ecological role of birds. Here, we present and validate a method for experimentally increasing the abundance and richness of birds at the scale of entire aquatic ecosystems. Unlike bird exclusion, this approach is experimentally tractable, appealing to land managers, and possible to deploy over large spatial scales. We tested the efficacy of our approach for increasing bird abundance and species richness at 16 central California ponds. Based on bird visitation data obtained by summer camera trapping, our approach significantly increased bird species richness and abundance at manipulated ponds compared to control ponds. Attractant treatments mitigated the negative effects of a major drought on bird species richness, and generated a near-doubling of bird abundance in the presence of attractants. Treatments had no effect on most mammal species, with the exception of ground squirrels, which increased in abundance in the presence of attractants. These results suggest that attractants are effective in increasing bird abundance and richness. We encourage researchers to consider this approach for experimentally isolating the ecological role of birds in aquatic and open terrestrial ecosystems, especially in cases where cost or logistical constraints preclude the use of caged or netted exclosures.
Data and code for the manuscript: "Varying richness need not imply non-random species co-occurrence: implications for specifying null models"
<p>Data and R code for the manuscript "Varying richness need not imply non-random species co-occurrence: implications for specifying null models".</p>
Figure 11 in Data-rich description of a new genus of praying mantid egg parasitoids, Lasallegrion gen. n. (Hymenoptera: Torymidae: Podagrionini), with a re-examination of Podagrion species of Australia and New Caledonia
Figure 11. Lasallegrion virescens, female. (a), head, dorsal; (b), head, frontal; (c), right hind leg, outer aspect; (d), mesosoma, dorsal (arrows indicate notauli in their posterior part); (e), mesoscutellum and propodeum, dorsal; (f), left fore wing, ventral.
Figure 10 in Data-rich description of a new genus of praying mantid egg parasitoids, Lasallegrion gen. n. (Hymenoptera: Torymidae: Podagrionini), with a re-examination of Podagrion species of Australia and New Caledonia
Figure 10. (a), Lasallegrion koebelei, heteromorph male habitus, lateral; (b), syntype of P. holbeini, syn. n.; (c), syntype of P. metatarsum, syn. n.; (d), holotype of L. virescens.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.