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1,146 results for “French Guiana”
FIG. 16 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 16. — Atatina albida Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum and tubercula pubertatis positions); B, dorsal dissection showing anterior internal anatomy; C, detailed view of the dorsal dissection showing the calciferous glands; D, habitat preferences; E, microhabitat preferences. All images from the holotype, except C, (Paratype EW-MI15-0121); CG, calciferous glands; CL, clitellum; GZ, gizzard; IN, intestine; SV, seminal vesicles; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: A, B, 2 mm; C, 1 mm.
FIG. 14 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 14. — Martiodrilus (Maipure) alexi Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, habitat preferences; E, microhabitat preferences. All images from the holotype; CL, clitellum; DV, dorsal vessel; GZ, gizzard; IN, intestine; SP, spermathecae; SV, seminal vesicles; TP, tubercula pubertatis; N, total number of specimens in the dataset.
FIG. 13 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 13. — Martiodrilus (Maipure) mitaraka Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, detail of anterior segments (external lateral view); E, habitat preferences; F, microhabitat preferences. All images from the holotype; CL, clitellum; GZ, gizzard; SP, spermathecae; SV, seminal vesicles; TF, tiphlosole; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: A-C, 5 mm; D, 2.5 mm.
FIG. 11 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 11. — Martiodrilus (Botaria) wayana Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, Habitat preferences; E, microhabitat preferences. All images from the holotype; CL, clitellum; DV, dorsal vessel; GZ, gizzard; IN, intestine; SP, spermathecae; SV, seminal vesicles; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: 5 mm.
FIG. 19 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 19. — Omodeoscolex touroulti Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the clitellum male field); C, habitat preferences; D, microhabitat preferences. All images from the holotype; CL, clitellum; MF, male field; N, total number of specimens in the dataset. Scale bars: 1 mm.
FIG. 15 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 15. — Urobenus guianomeridionalis Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, habitat preferences; E, microhabitat preferences. All images from the holotype; CL, clitellum; GZ, gizzard; SP, spermathecae; SV, seminal vesicles; TF, typhlosole; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: 2.5 mm.
FIG. 10 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 10. — Martiodrilus (Botaria) tchoukouchipan Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, habitat preferences; E, microhabitat preferences. All images from the holotype; CG, calciferous glands; CL, clitellum; GZ, gizzard; SP, spermathecae; SV, seminal vesicles; TF, typhlosole; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: 5 mm.
FIG. 9 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 9. — Martiodrilus (Botaria) pavliceki Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing the internal anatomy of the anterior body; D, habitat preferences; E, microhabitat preferences. All images from the holotype; CL, clitellum; DV, dorsal vessel; GZ, gizzard; IN, intestine; SP, spermathecae; SV, seminal vesicles; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: 5 mm.
FIG. 7 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 7. — Martiodrilus (Botaria) lavellei Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, habitat preferences; E, microhabitat preferences. All images from the holotype; CL, clitellum; DV, dorsal vessel; GZ, gizzard; IN, intestine; SP, spermathecae; SV, seminal vesicles; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: 2.5 mm.
FIG. 20 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 20. — Omodeoscolex abamaensis Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the clitellum male field); C, habitat preferences; D, microhabitat preferences. All images from the holotype; CL, clitellum; MF, male field; N, total number of specimens in the dataset. Scale bars: 1 mm.
FIG. 18 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 18. — Neogaster tumuchumac Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the clitellum male field); C, habitat preferences; D, microhabitat preferences. All images from the holotype; CL, clitellum; MF, male field; N, total number of specimens in the dataset. Scale bars: 1 mm.
FIG. 12 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 12. — Martiodrilus (Maipure) luminescens Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, detail of the anterior part of the dorsal dissection showing the spermathecae; E, detail of the dorsal dissection showing the seminal vesicle and the calciferous glands; F, habitat preferences; G, microhabitat preferences. All images from the holotype; CL, clitellum; CG, calciferous glands; DV, dorsal vessel; GZ, gizzard; HT, intestinal hearts; IN, intestine;SP, spermathecae; SV, seminal vesicles; TP, tubercula pubertatis; N, total number of specimens in the dataset.Scale bars: 10 mm.
FIG. 23 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 23. — Guianodrilus corticolous Bartz & Decaëns n. sp.: A, habitat preferences; B, microhabitat preferences. N, total number of specimens in the dataset.
FIG. 6 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 6. — Martiodrilus (Botaria) flavus Decaëns & Bartz n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position); B, external and semi-ventral view of the anterior body (arrows indicate the position of the tubercula pubertatis); C, dorsal dissection showing anterior internal anatomy; D, detail on the spermathecae; E, detail on the typhlosole when rolled up; F, detail on the typhlosole when unrolled; G, habitat preferences; H, microhabitat preferences. All images from the holotype specimen: CL, clitellum; DV, dorsal vessel; GZ, gizzard; IN, intestine; SP, spermathecae; SV, seminal vesicles; TF, typhlosole; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: A-C, E, F, 10 mm; D, 5 mm.
FIG. 5 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 5. — Andiorrhinus (Turedrilus) pascalei Bartz & Decaëns n. sp.: A, external and lateral view of the anterior body (arrows indicate the clitellum position on the dorsal side, and of the tubercula pubertatis on the ventral side); B, detail of the calciferous glands after being extracted from the dissection; C, detail of the dissection showing the spermathecae; D, habitat preferences; E, microhabitat preferences. All images from the holotype specimen: CL, clitellum; SP, spermathecae; TP, tubercula pubertatis; N, total number of specimens in the dataset. Scale bars: A, 10 mm; C, 2.5 mm.
FIG. 3 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 3. — Bayesian Inference of the phylogeny of species of A, Rhinodrilidae Benham, 1890 and Glossoscolecidae Michaelsen, 1900; B, Benhamiidae Michaelsen, 1897; C, Ocnerodrilidae Beddard, 1891 based on the sequence of COI. In all of them Hirudo officinalis Linnaeus, 1758 was included as outgroup. Clades corresponding to species were collapsed, with depth of the triangles representing intraspecific genetic divergence and height representing intraspecific haplotype diversity.
FIG. 4 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 4. — Earthworm species diversity in the Mitaraka range: A, incidence–based rarefaction and extrapolation curve showing species number accumulation as a function of the number of plots sampled within the study area; B, abundance–based rarefaction and extrapolation curves showing species number accumulation as a function of the number of earthworm individuals sampled within four main types of habitats (Inselberg habitats include rocky savannahs, transition and hilltop forests); B, abundance–based rarefaction and extrapolation curves showing species number accumulation as a function of the number of earthworm individuals sampled within four main types of microhabitats (Litter, litter accumulations on granitic rocks; Roots, root mat of terrestrial bromeliads; Soil, organo-mineral soil and sediments; Trunks, decaying trunks and associated termite mounds); D, box–plots of community-scale species richness for the four main type of habitats (as in B). In A-C, solid curves: rarefaction curves; dotted curves:extrapolation curves. In D, diamond symbol: mean; coloured dots: outliers; grey dots: individual values.
FIG. 2 in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 2. — (next page) The Mitaraka Massif: A, general view of the inselberg landscape from "Borne 1", with "Sommet en Cloche" in the foreground, followed by "Tchoukouchipan" and "Mitaraka"; B, Astrocaryum forest plateau near Base Camp; C, transitional forest (TF1) on the slopes of the "Sommet en Cloche"; D, Rocky savannah (RS3) showing terrestrial bromeliad (Pepinia sp.) and transitional forest (TF2) in the background; E, a specimen of Martiodrilus (Botaria) tchoukouchipan Decaëns & Bartz n. sp. in the root mat of terrestrial bromeliads in a rocky savannah (RS2); F, the holotype of Martiodrilus (Botaria) flavus Decaëns & Bartz n. sp. in a transitional forest (TF2); G, detail of the terrestrial bromeliad beds in the rocky savannah RS3 (all photos by T. Decaëns).
FIG. 1. — A, B in Earthworms (Oligochaeta, Clitellata) of the Mitaraka range (French Guiana): commented checklist with description of one genus and eighteen species new to science
FIG. 1. — A, B, Localisation of the sampling sites in the Mitaraka Massif, French Guiana. Site codes are the same as in Table 1. Dark green areas in A, represent conservation areas.
Figure 4 in Fishers' perceptions of river resources: case study of French Guiana native populations using contextual cognitive mapping
Figure 4. – Cognitive maps focused on a minimum common overview (gray concepts and edges (incoming arrows)) and village-specific overviews (white concepts and blue (5 Amerindian villages) or brown (2 Aluku villages) edges) of threats to the fish resource and environment.
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