Estimation of fat sand rat Psammomys obesus abundance by using surface indices

• Autorzy: Fichet-Calvet E. , Jomaa I. , Giraudoux P. , Ashford R.W.
• Języki publikacji: EN

Abstrakty

EN

The fat sand rat Psammomys obesus Cretzschmar, 1828 is an important reservoir host for the human disease, cutaneous leishmaniasis. To develop a method for moni­toring changes in the population density of this rodent over large areas, fragments of food, faeces, urine marks, and earth mounds at the burrow entrance were evaluated as indicators of abundance. The results were compared with population density measured simultaneously by trapping. Through the year as a whole, urine marks correlate poorly with abundance, but the three other indicators correlate well. A correlation coefficient of 0.74 is achieved with food fragments and faeces combined. The correlation is best during the wet season and poorer in dry conditions. The value of this indirect popu­lation index is discussed in relation to climatic conditions. Details are proposed for the establishment of a monitoring system for P. obesus populations in time and space.

Słowa kluczowe

EN

weather condition; human disease; leishmaniasis; fat sand rat; Rodentia; Psammomys obesus; abundance index; rat; host

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 1999
• Tom: 44
• Numer: 4
• Opis fizyczny: p.353-362,fig.

Twórcy

autor

Fichet-Calvet E.

autor

Jomaa I.

autor

Giraudoux P.

autor

Ashford R.W.

Bibliografia

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