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2. Home range and habitat selection by Podarcis hispanica (Squamata, Lacertidae) in Western Spain
- Creator:
- Diego-Rasilla, Francisco Javier and Pérez-Mellado, Valentín
- Type:
- article and TEXT
- Subject:
- lizards, microhabitat, and electivity
- Language:
- English
- Description:
- A population of the lacertid lizard Podarcis hispanica was studied in the Sistema Central Mountains in Salamanca Province, Spain. Lizards confined their activities to stable home ranges, but size range varied enormously between individuals. Home ranges generally contained 1) a high proportion of rocks > 100 cm in height and 2) a significantly higher abundance of crevices than expected. The overall abundance of lizards increased with decreasing amounts of shrubs and herbaceous plants cover and densities were highest in bare and rocky areas. Adult females selected particular habitat types according to the season, whereas habitat selection of males and juveniles did not differ between spring and summer. Non-resident adult lizards and juveniles occupied habitats of marginal quality in relation to crevice abundance.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/
3. Plasmodium, Saurocytozoon and Haemocystidium parasites (Apicomplexa: Plasmodiidae) from the rock agama, Laudakia caucasia (Sauria: Agamidae), in southern Asia
- Creator:
- Telford, Sam R.
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- blood parasites, plasmodiids, Plasmodium caucasica sp. n., Saurocytozoon agamidorum sp. n., Haemocystidium grahami, lizards, Pakistan, and Azerbaijan
- Language:
- English
- Description:
- The rock agama, Laudakia caucasia Eichwald (Agamidae) is host to Plasmodium caucasica sp. n. and Saurocytozoon agamidorum sp. n. in western Pakistan. Plasmodium caucasica is characterized by very large meronts, 11-21 by 8-17 µm that produce 32-67 merozoites, which nearly fill the host erythrocyte, and smaller, ovoid to elongate gametocytes, 6-14 by 2.5-6 µm, with length by width (LW) 21-55 µm2, and L/W ratio 1.0-4.0. Host cells are usually mature erythrocytes. In Azerbaijan, P. caucasica parasitizes immature erythroid cells. Dimensions of meronts are 10-16 by 6-12 µm, and merozoite numbers are 12-44. Gametocytes are 6-14 by 3-6 µm, with LW 31-56 µm2, and L/W ratio 1.0-4.0. Saurocytozoon agamidorum sp. n. gametocytes are 6.5-13 µm in diameter, with LW 35-79 µm2, and L/W ratio 1.0-2.2. They occupy lymphocytes as host cells, which are greatly distorted by gametocyte presence and often show nuclei nearly divided into two portions, one portion at each end of the cell. Haemocystidium grahami (Shortt, 1922), redescribed from material found in L. caucasia from Azerbaijan, has rounded to elongate gametocytes, 8-19.5 by 4-8 µm, LW 60.5-102 µm2, and L/W ratio 1.0-4.5. The prominent light golden pigment granules often coalesce to nearly cover the surface of the gametocyte. The presence of P. caucasica and S. agamidorum extends the range of the two genera in saurian hosts throughout much of the southern Asia mainland.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public