Migration monitoring of Ascia monuste (Lepidoptera) and Schistocerca cancellata (Orthoptera) in Argentina using RMA1 weather radar

Poffo, Denis; Beccacece, Hernán Mario; Caranti, Giorgio M.; Comes, Raul; Drewniak, María Eugenia; Martina, Agustín; Zapata, Adriana Inés; Rodríguez, Andrés; Saffe, Jorge

doi:10.1016/j.isprsjprs.2018.05.011

Cited by 16 publications

(21 citation statements)

References 36 publications

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“…While the models showed that the tropical climate zone is suitable for A. monuste and cabbage, this pest is currently found only in America (Alam, 1992;Liu, 2005;Pease, 1962;Poffo et al, 2018).…”

Section: Discussionmentioning

confidence: 96%

“…The absence from other continents is likely due to the lack of migration (Franklin, 2009), for example, through physiological difficulties posed by natural barriers such as deserts and sea (Johnson, 1960;Poffo et al, 2018). This emphasizes the role of humans in pest invasion, introducing it in other countries intentionally or unintentionally (Waage & Mumford, 2008).…”

Section: Discussionmentioning

confidence: 99%

“…The adults' daily activity is positively correlated with temperature, up to about 19°C (Nielsen & Nielsen, 1959). The seasonal flights are observed in both spring and summer from morning till late afternoon (Hayward, 1953;Poffo et al, 2018). Rainfall also appears to regulate its occurrence, as adults cease migration during rain (Poffo et al, 2018), and larvae, especially early instars, can be killed by storms (Picanço et al, 2010).…”

mentioning

confidence: 99%

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Distribution models for Ascia monuste and the host Brassica oleracea var. capitata

Santos

Hogendoorn

Ramos

et al. 2019

J Applied Entomology

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The butterfly Ascia monuste L. (Lepidoptera: Pieridae) is a specialist pest of brassica crops in neotropical regions where it significantly impacts crop production. Understanding the actual and potential distribution of the pest and its hosts in current and future climates may help government agencies to mitigate and manage potential incursions. Here, we use MaxEnt algorithm to model the current distribution of both A. monuste and its host, Brassica oleracea var. capitata L. (cabbage) and then model the likely impact of projected climate change (RCP 4.5 and 8.5 scenarios) on their potential future distributions. While A. monuste is currently restricted to the American continent, we show that under current conditions the potential distribution of both the butterfly and cabbage includes areas of Africa, Asia, Oceania and Europe to some extent. The annual temperature range and mean annual temperature were the strongest predictors of the distribution of both species. Under a projected climate change scenario, suitable areas in the tropical climate zone are expected to decrease for both species. However, in temperate regions, the suitable area for cabbage is expected to increase but will remain unsuitable for the pest. Our results highlight the need for strategies to prevent the introduction of A. monuste to other areas of the tropical climate zone and for the development of management practices in the neotropical region.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Distribution models for Ascia monuste and the host Brassica oleracea var. capitata

Santos

Hogendoorn

Ramos

et al. 2019

J Applied Entomology

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show abstract

“…The radar emits both horizontal (H) and Vertical (V) polarizations simultaneously, allowing the calculation of 3D fields of several variables or parameters: horizontal (Z H ) and vertical reflectivity (Z V ) factors in dBZ (decibels of Z), radial velocity (V D ), spectral width (W), differential reflectivity (Z dr ), differential phase (φ dp ), specific differential phase (K dp ), and correlation coefficient (ρ hv ). The coverage radius of successive volumes is 240 km [29].…”

Section: Radar Meteorológico Argentino 1 (Rma1)mentioning

confidence: 99%

“…There is an important potential in using radar technology for biological studies, quantifying animal movements, analyzing population densities and diversity, as well as for studying species phenologies across a wide range of spatial, temporal, and climatic scales [22,23]. This type of remote sensing tool is useful for studying birds, insects, and bats which fly in large groups at high altitudes [24][25][26][27][28][29][30][31]. It has been previously shown that weather radar detects movements of bat colonies, including T. brasiliensis [26,[30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Monitoring and Characterizing Temporal Patterns of a Large Colony of Tadarida brasiliensis (Chiroptera: Molossidae) in Argentina Using Field Observations and the Weather Radar RMA1

et al. 2020

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Migratory colonies of up to thousands or millions of Brazilian free-tailed bats (Tadarida brasiliensis) are present in temperate areas of America. The monitoring of these massive colonies is crucial to know their conservation status and to evaluate the important ecosystem services that they provide. The objectives of this study were to characterize and to monitor, with an interdisciplinary approach, one of the largest bat colonies in South America, located in La Calera (Córdoba, Argentina). This study includes eight years of field observations inside of their shelter and outside when the colony emerged. Moreover, these observations were complemented with one year of weather radar detections using the Radar Meteorológico Argentino 1 (RMA1). To determine if a detection is a true or false massive emergence of bats, an algorithm was designed. We observed that this large colony of T. brasiliensis is maternal and migratory, just like others in South and North America. This colony arrives in early spring and births occur two months later, migrations occur in early autumn, meanwhile the shelter is empty or inhabited only by a small group of individuals during the cold seasons. The colony was estimated at 900,000 individuals before births occurred. The radar detection was coincident with field observations, when a simultaneous emergence was observed, as well as in the monitoring throughout the year. This represents the first study made in South America using radar technology for monitoring a bat colony. We here demonstrate that RMA1 is a powerful tool for monitoring this colony in the long term, and even to alert possible changes in permanence in time or in the number of individuals.

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Wet and warm conditions contribute to the occurrence of the neotropical butterfly Ascia monuste orseis Godart (Lepidoptera: Pieridae) on Brassica crops

et al. 2020

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Migration monitoring of Ascia monuste (Lepidoptera) and Schistocerca cancellata (Orthoptera) in Argentina using RMA1 weather radar

Cited by 16 publications

References 36 publications

Distribution models for Ascia monuste and the host Brassica oleracea var. capitata

Distribution models for Ascia monuste and the host Brassica oleracea var. capitata

Monitoring and Characterizing Temporal Patterns of a Large Colony of Tadarida brasiliensis (Chiroptera: Molossidae) in Argentina Using Field Observations and the Weather Radar RMA1

Wet and warm conditions contribute to the occurrence of the neotropical butterfly Ascia monuste orseis Godart (Lepidoptera: Pieridae) on Brassica crops

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