|Title:||Spatiotemporal dynamics of active flying Diptera predators among different farmland habitats|
|Authors:||Souza, Érica Sevilha Harterreiten|
Togni, Pedro Henrique Brum
Capellari, Renato S.
Pujol‐Luz, José Roberto
Sujii, Edison Ryoiti
|Citation:||HARTERREITEN-SOUZA, Érica S.; TOGNI, Pedro H. B.; CAPELLARI, Renato S.; BICKEL, Daniel; PUJOL-LUZ, José R.; SUJII, Edison R. Spatiotemporal dynamics of active flying Diptera predators among different farmland habitats. Agricultural and Forest Entomology, 2021. DOI: https://doi.org/10.1111/afe.12435. Disponível em: https://onlinelibrary.wiley.com/doi/abs/10.1111/afe.12435?af=R.|
|Abstract:||1 Farmland habitats comprise an arrangement of cropped, uncropped and natural vegetation among the farms. Despite the differences in these habitats' features, generalist highly mobile predators are more likely to explore them in time and space. 2 We investigated the spatiotemporal dynamics of the species of Dolichopodidae (Diptera) in organic vegetable farms because they are one of the most abundant generalist highly mobile predators in Brazilian agroecosystems. 3 We simultaneously sampled the abundance of Condylostylus Bigot and Chrysotus Loew adults (both Dolichopodidae) in the crop, fallow areas, agroforests and forest fragments within five organic farms for 2 years. 4 Predators preferred open‐field habitats to agroforests and forest fragments. Probably, open‐field habitats present more opportunities to prey foraging, resulting in higher population densities. 5 To the extent that abiotic conditions become more restrictive during the dry season, agroforests and forests act as breeding sites and shelter, thereby maintaining the predators' populations in the overall farmland habitat. 6 Both predatory genera occupy habitats with distinct features across time, forming a dynamic and contiguous population unit within the farm. Therefore, conservation biological control strategies in organic crops should consider the role of agroforests and forest fragments in species conservation beyond the plot level.|
|Appears in Collections:||ECL - Artigos publicados em periódicos|
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