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FIG. 1 in Les micro-mammifères (Mammalia, Rodentia, Afrosoricida et Soricomorpha) du massif du Tsaratanana et biogéographie des forêts de montagne de Madagascar

FIG. 1. — Carte de Madagascar représentant quelques traits topographiques des zones de hautes montagnes de l'île et les sommets principaux.Le médaillon montre le massif de Tsaratanana, les systèmes hydrographiques provenant de cette montagne et ses alentours. Les acronymes pour les sites sont expliqués dans le Tableau 1.

FIG. 5 in Les micro-mammifères (Mammalia, Rodentia, Afrosoricida et Soricomorpha) du massif du Tsaratanana et biogéographie des forêts de montagne de Madagascar

FIG. 5. — Courbes cumulatives des espèces des tenrecs et rongeurs capturées sur sept montagnes dans les trous-pièges (A) et les pièges « Sherman » et « National » (B). Abréviations: O, versant ouest; S, versant sud; TS, Tsaratanana.

FIG. 2 in Les micro-mammifères (Mammalia, Rodentia, Afrosoricida et Soricomorpha) du massif du Tsaratanana et biogéographie des forêts de montagne de Madagascar

FIG. 2. — Les différents types de végétation sur le massif de Tsaratanana en fonction de l'altitude: A, forêt de basse altitude à 730 m d'altitude à proximité de la rivière Ramena; B, forêt de moyenne altitude à 1600 m d'altitude le long de la rivière Befosa; C, forêt de montagne à 2050 m d'altitude bordant le lac temporaire Matsabory Maiky; D, forêt de montagne à lichens à 2100 m d'altitude, Matsabory Maiky; E, fourré et forêt de haute montagne à 2500 m d'altitude à Ambodinitsaratanana. Photos: C. J. Raxworthy.

FIG. 3 in Les micro-mammifères (Mammalia, Rodentia, Afrosoricida et Soricomorpha) du massif du Tsaratanana et biogéographie des forêts de montagne de Madagascar

FIG. 3. — Analyse de régression comparant l'altitude ayant la plus grande richesse spécifique de micro-mammifères (tenrecs et rongeurs regroupés) et la hauteur du sommet pour sept hautes montagnes à Madagascar.

Fig. 9 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 9. Architecture of the guard hairs in an adult male of Heliophobius argenteocinereus. A, D, G, J cross sections of guard hairs of different types (coarse and guard hairs); B, E, H, K longitudinal sections at a base and a shield of the stem (from left to right); C, F, I, L – ornament of cuticle along the stem, from a base to a shield (left to right). SEM micrographs. 10 μm scale.

Fig. 11 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 11. Species-specificity of cuticular ornamentation at the hair base and constriction in guard hairs of some representatives of Talpidae. SEM micrographs.

Fig. 5 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 5. Architecture of guard hairs in an adult male of Scapanus townsendii. A, D, G – cross sections through a guard hair from the hair base to the shield (left to right); B, E, H longitudinal sections through a guard hair; C, F, I – cuticular ornamentation along the shaft, from the hair base to the shield (left to right, the narrowing of the shaft is marked with an arrow). SEM micrographs. 10 μm scale.

Fig. 3 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 3. Variability of the shaft width/cuticle height index along the shaft in the guard hairs from the withers in the studied species. A – Talpidae and Bathyergidae; B – Chrysochloridae.

Fig. 2 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 2. Architecture of guard hairs in an adult male of Talpa altaica. A, E, H – cross sections through the hair along the shaft from the hair base to the shield (left to right); B, F, I longitudinal sections through the hair along the shaft from the hair base to the shield (left to right); С – cuticular ornamentation along a shaft from the base to shield (left to right); D same along the shaft from the hair base to the region below the shield (top to bottom); G, J same along the shaft from the hair base to the shield (left to right). SEM micrographs. 10 μm scale.

Fig. 8 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 8. Architecture of guard hairs in adult males of the studied species of Chrysospalax, Cryptochloris, and Eremitalpa. A – cross sections through a hair along the shaft from the hair base to the shield (from left to right); E same at the hair base and in the shield (left to right); H – same in the shield; B – longitudinal sections through a hair along the shaft at the hair base and in the shield (left to right); F, I – same in the shield; C – medulla in the shield; D, G, J – cuticular ornamentation along the shaft from the hair base to the shield (left to right). SEM micrographs. 10 μm scale.

Fig. 6 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 6. Architecture of coarse hairs and guard hairs in an adult male of Urotrichus talpoides. A, D, G, J, M cross sections through a hair along the shaft, from the hair base to the shield (left to right, the flattening of the shaft is indicated by arrows); B, E, H, K, N longitudinal sections along the shaft, from the hair base to the shield (left to right); C, F, I, L, O – cuticular ornamentation along the shaft from the hair base to the shield (left to right, in F and I, the narrowing of the shaft is indicated by arrows). SEM micrographs. 10 μm scale.

Fig. 7 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 7. Architecture of guard hairs in adult males of the studied species of Amblysomus, Calcochloris, Carpitalpa, and Chrysochloris. A, J – cross sections through a hair along the shaft from the hair base to the shield (left to right); E, M same in the shield; B – longitudinal sections of a hair along the shaft from the hair base to the shield (left to right); F, K, N – same in the shield; G, H, O – medullar architecture in the shield; C, I, L, P – cuticular ornamentation along the shaft from the hair base to the shield (left to right); D same at the hair tip. SEM micrographs. 10 μm scale.

Fig. 1 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 1. Measuring protocol for the hair structures in the studied species: As – maximum surface area of the medullar air spaces; D – maximum shaft diameter; d – minimum shaft diameter; H –maximum length of the cuticular scale; h – maximum height of the transverse medullar septum - 'disk'; S – surface area of the hair cross section; s – surface area of the medullar column; hs – surface area of the septum -'disk'; W – shield width; w – maximum width of the medullar column in the shield. A flag ‒ diameter of the pigment granule.

Fig. 4 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 4. Architecture of hairs in an adult male of Mogera robusta. A, D, K cross sections through a guard hair along the shaft from the hair base to the shield (left to right); B, E, H longitudinal sections through a guard hair; G cross sections through different hair types: coarse hair (arrow) and guard hairs; C, F, J – cuticular ornamentation of a guard hair from the hair base to the shield (left to right); I, L same in a coarse hair (left to right). SEM micrographs. 10 μm scale.

Fig. 10 in A comparative SEM study of the guard hair architecture in subterranean moles (Talpidae, Soricomorpha), golden moles (Chrysochloridae, Afrosoricidae), and silvery mole-rats (Bathyergidae, Rodentia)

Fig. 10. Visualization of metric data for guard hairs in the studied species. A – Talpidae and Bathyergidae, B – Chrysochloridae. Icon plots (graphs with pictograms in the form of profiles). Legend (left to right): D/d, base; D/d, shield; S/ s, W/w; W/h; As/hs; W/H, base/constriction, below shield, shield. Initial data are shown in tables 1Sup and 2Sup.

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FIG. 6. — Nombre d in Les micro-mammifères (Mammalia, Rodentia, Afrosoricida et Soricomorpha) du massif du Tsaratanana et biogéographie des forêts de montagne de Madagascar

FIG. 6. — Nombre d'individus de micro-mammifères capturés dans les trous-pièges (A) et les pièges « Sherman » et « National » (B). Abréviations: O, versant ouest; S, versant sud; TS, Tsaratanana.

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FIG. 4 in Les micro-mammifères (Mammalia, Rodentia, Afrosoricida et Soricomorpha) du massif du Tsaratanana et biogéographie des forêts de montagne de Madagascar

FIG. 4. — Dendrogramme de similarité pour les Tenrecidae (A) et les rongeurs Nesomyidae (B) entre 41 sites de 440 à 2500 m d'altitude de huit massifs de haute montagne de Madagascar.