Publications

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water loss and nitrogen excretion in sharp-nosed reed frogs (hyperolius nasutus: anura, hyperoliidae).sharp-nosed african reed frogs, hyperolius nasutus gunther, are small (0.4 g) hyperoliids which have minimal rates of evaporative water loss (4.5 mg g-1 h-1; 0.3 mg cm-2 h-1) that are only 1/10 to 1/20 that of a typical frog, hylaregilla, of comparable size (171 mg g-1 h-1, 4.8 mg cm-2 h-1). the surface-area-specific resistance to water flux of h. nasutus dorsal skin (96-257 sec cm-1) is similar to that of other 'waterproof' frogs (300-400), of cocooned frogs (40-500), and of desert reptiles (20 ...19827086345
taxonomy of the super-cryptic hyperolius nasutus group of long reed frogs of africa (anura: hyperoliidae), with descriptions of six new species.specimens from across the range of the hyperolius nasutus species group were sequenced for two mitochondrial genes and one nuclear gene. advertisement calls were recorded from the same specimens where possible, and morphological characters were compared. bayesian inference and maximum likelihood produced a tree indicating 16 clades. the clades show little or no overlap in combinations of 16s sequence difference, shared tyr haplotypes, advertisement call parameters, snout profiles and webbing. on ...201326120712
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