Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Vojtěch Jarošík"'
Publikováno v:
PLoS ONE, Vol 10, Iss 4, p e0123634 (2015)
To better understand the effect of species traits on plant invasion, we collected comparative data on 20 reproductive and dispersal traits of 93 herbaceous alien species in the Czech Republic, central Europe, introduced after 1500 A. D. We explain pl
Externí odkaz:
https://doaj.org/article/6e1c983390a543039ee81cc6061d22dc
Publikováno v:
PLoS ONE, Vol 10, Iss 6, p e0131072 (2015)
We tested whether two basic thermal requirements for insect development, lower developmental thresholds, i.e. temperatures at which development ceases, and sums of effective temperatures, i.e. numbers of day degrees above the lower developmental thre
Externí odkaz:
https://doaj.org/article/aeebb2b3868c4939b93bb259b14dd95c
Publikováno v:
European Journal of Entomology, Vol 102, Iss 3, Pp 407-411 (2005)
The duration of the increase, peak and decline in abundance of the immature stages of sycamore and cereal aphids each year is ephemeral. These temporary resources are exploited by a sequence of aphidophagous insect predators. The temporal sequence in
Externí odkaz:
https://doaj.org/article/3bf4abe64cb04d508d4205767a25275f
Autor:
Karel HŮRKA, Vojtěch JAROŠÍK
Publikováno v:
European Journal of Entomology, Vol 100, Iss 3, Pp 329-335 (2003)
The duration of development, survivorship and adult size were compared for the larvae of Amara aenea reared in the first generation on pure diets of seeds (Stellaria media, Capsella bursa-pastoris, Tussilago farfara, Plantago major, Urtica dioica, or
Externí odkaz:
https://doaj.org/article/780b7b3556b243068a95dcaf0667fa7f
Publikováno v:
Plant Protection Science, Vol 39, Iss 2, Pp 61-64 (2003)
Population growths of three aphid species colonising winter wheat stands, Metopolophium dirhodum, Rhopalosiphum padi and Sitobion avenae, were analysed by regression method. The calculations were based on counts in 268 winter wheat plots at 3 or 7 da
Externí odkaz:
https://doaj.org/article/a10f55a3a6a54fab8cdefb5093e49625
Publikováno v:
European Journal of Entomology, Vol 99, Iss 2, Pp 241-252 (2002)
The development stages of a species may have an identical lower development threshold (LDT) and proportionally different durations. This phenomenon called "rate isomorphy" (RI) has been demonstrated for a number of insect species. In contrast, the gr
Externí odkaz:
https://doaj.org/article/7a9ca5de525f4a14982875aa81de3545
Publikováno v:
Plant Protection Science, Vol 38, Iss 2, Pp 76-80 (2002)
The flight activity of six species of the flea beetles of the genus Phyllotreta was monitored by means of yellow water traps in three years. The percentage composition of the total catch of adults made up of the species was 29.5% (P. vittula), 28.8%
Externí odkaz:
https://doaj.org/article/5425350748b648fab791b7e024466c8a
Publikováno v:
PLoS ONE, Vol 9, Iss 9, p e108296 (2014)
Studies of plant invasions rarely address impacts on molluscs. By comparing pairs of invaded and corresponding uninvaded plots in 96 sites in floodplain forests, we examined effects of four invasive alien plants (Impatiens glandulifera, Fallopia japo
Externí odkaz:
https://doaj.org/article/ba391a2fee334a46a29318d3dc659046
Autor:
Pavel Saska, Vojtěch Jarošík
Publikováno v:
Plant Protection Science, Vol 37, Iss 3, Pp 103-110 (2001)
Food requirements of the larvae of nine closely related species of the genus Amara (Coleoptera: Carabidae) were studied in the laboratory. Mealworms, a mixed diet of mealworms and oat flakes, and seeds of Capsella bursa-pastoris and Stellaria media w
Externí odkaz:
https://doaj.org/article/78f6054a438f4950bea8aec4692b9ec2
Autor:
Alois HONĚK, Vojtěch JAROŠÍK
Publikováno v:
European Journal of Entomology, Vol 97, Iss 4, Pp 517-525 (2000)
In 1995-1997, we studied the factors which may influence the ground "activity density" of Carabidae using pitfall traps placed in winter wheat, winter rape and pea stands (1995 only) grown within a 1 km2 area with uniform physical conditions. The tra
Externí odkaz:
https://doaj.org/article/4f19f3a442104e4d915c7a32a5dec837