Wider road verges sustain higher plant species richness and pollinator abundance in intensively managed agroecosystems

Monasterolo, Marcos; Poggio, Santiago L.; Medán, Diego; Devoto, Mariano

doi:10.1016/j.agee.2020.107084

Cited by 17 publications

(12 citation statements)

References 49 publications

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“…Although road verges are increasingly appreciated as remnants of meadow vegetation and reservoirs of biodiversity in intensive production areas (cf. Manosterolo et al 2020), they may be risky habitats for pollinators when resource plants grow close to busy roads (Phillips et al 2019). Although fewer feral populations were found alongside the smallest roads, these calmer roads may be preferable as resource plants for pollinators early in the season.…”

Section: Discussionmentioning

confidence: 99%

Escaped oilseed rape: Occurrence in the agricultural landscape and potential pollen-mediated gene flow from crop oilseed rape

D’Hertefeldt

Haglund²,

Malm³

et al. 2021

J Poll Ecol

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To assess the role of feral oilseed rape (OSR) plants as resources for pollinators and avenues for gene flow, we compared occurrence of feral populations in standardized agricultural landscapes, using a landscape ecological approach. The occurrence of feral and volunteer populations was investigated in relation to differences in road length and width, number of OSR fields, and landscape scale. The potential for pollen-mediated gene flow from crop to feral oilseed rape was investigated with fluorescent dye in a field experiment. Moreover, greenhouse estimates of pollen germination rate and pollen tube growth rate were performed to get an indication of siring success in crop and feral plants. Escaped OSR occurred in 14 out of the 16 investigated landscapes, and feral populations were more common alongside large roads than small roads in large-scale landscapes. The number of plants in a habitat ranged from 1-160 individuals, with 1-19 habitats per landscape. In the field experiment with fluorescent dye, no transfer of dye was detected during early flowering in May. At the end of the flowering period in June, transfer of dye was found in 71.4% of the feral plants, showing that significant transfer, most likely by pollinators, occurred from the field to the feral plants. There was no difference in pollen germination rate between crop and feral plants. Pollen tube growth rate was significantly higher in feral oilseed rape than in the crop (P < 0.001). Our results contribute to increased understanding of i) the utilization of feral populations by pollinators in an intensively farmed agricultural landscape, and ii) crop-feral gene flow within OSR.

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Section: Discussionmentioning

confidence: 99%

Escaped oilseed rape: Occurrence in the agricultural landscape and potential pollen-mediated gene flow from crop oilseed rape

D’Hertefeldt

Haglund²,

Malm³

et al. 2021

J Poll Ecol

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“…El número de plantas entomófilas presentes en SC y sus alrededores exhibe variabilidad interanual y geográfica: Marrero et al (2014) citan 71 especies (bordes de cultivos, clausuras), Rosanigo et al (2020) informan 48 especies (solo en las clausuras) y Monasterolo et al (2020) reportan 72 especies en los caminos rurales. Las moscas de las flores utilizaron 44 especies vegetales con diferentes morfologías florales (formas, colores, tamaños, etc.).…”

Section: Recursos Florales Utilizadosunclassified

“…y Toxomerus sp. Por último, Monasterolo et al (2020) presentan datos de visitantes florales de flores silvestres en caminos rurales que rodean a SC (el mismo sitio de estudio que este trabajo); y reportan 14 especies de sírfidos: Palpada (6 spp. ; sin mencionar abundancias específicas), Toxomerus (2 spp.)…”

Section: Comparación Con Otros Ensambles De Sírfidos En Agroecosistemas Y Sistemas Naturales Pampeanosunclassified

“…visitantes florales de cultivos y flora acompañante en agroecosistemas de Argentina (principalmente en la región pampeana) citan especies de sírfidos, pero no como el grupo central del estudio (Torretta et al, 2010;Torretta & Poggio, 2013;Marrero et al, 2014;Chamer et al, 2020;Monasterolo et al, 2020). El conocimiento de la fauna nativa presente en agroecosistemas es un factor clave en la gestión y mantenimiento de los mismos (Sommaggio, 1999) y resulta particularmente relevante el estudio en los agroecosistemas de la región Pampeana ya que se desconocen los efectos de la intensa transformación que sufrió esta región en las últimas décadas sobre la fauna silvestre local (Medan et al, 2011).…”

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Flower flies (Diptera: Syrphidae) in Pampean agroecosystems: a study case

Torretta¹,

López²,

Marrero³

2021

Rev. Soc. Entomol. Arg.

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Agroecosystems produce profound alterations on the structure and functioning of the original environment, mainly due to the reduction of biodiversity. Flower flies (Diptera: Syrphidae) are potentially useful organisms for the diverse ecosystem services they provide. We studied syrphids collected in a Pampean agroecosystem to assess richness, abundance, host plants, and the ecosystem services they could offer. Flower flies were represented by three subfamilies, eight tribes, 17 genera, and 26 species/morphospecies. Adults of these flies visited flowers of 44 species of wild and/or cultivated plants and exhibited a generalist interaction pattern. Larvae of the most abundant species were predators (mainly soft-bodied Hemiptera) and/or decomposers/aquatic filters. Only one species was pollinivorous. Our results, together with the scarce published bibliography, suggest that the syrphid communities of the highly modified Pampean region are composed of a few very abundant species and many rare or low representative species.

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“…Залежно від особливостей видів та груп організмів узбіччя відіграють різну роль у підтриманні їх оптимальних умов існування. Якщо правильно розуміти процеси управління придорожніми екосистемами, то їх можливо використовувати для збереження різноманіття, особливо рідких видів рослин та тварин (Monasterolo et al, 2020;.…”

Section: дніпровський національний університет імені олеся гончара дunclassified

Road network forms specific stations for living organisms in the conditions of the steppe zone

Yermolenko

Huslystyi

Hahut

et al. 2020

ean

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The state of art analysis of available published data allowed to determine the features of the roadside ecosystems formation and the possibility of further development of biodiversity conservation measures. In Ukraine and around the world, road infrastructure is an important economic and social object that has a negative impact on the environment. This takes place due to environmental pollution, fragmentation of habitats, biodiversity loss, etc. At the same time, on the roadsides the stations (microhabitats) are being formed. They can be a barrier to motor vehicle pollution and provide available shelters for living organisms. Road operation usually affects the structure of roadside vegetation. There is an increase in the number of of annual plant species and a decrease in perennials. Favourable conditions are also created for the spread of heliophytes and xerophytes. Roads are a source of chemical pollution that affects all components of roadside ecosystems. The amount of pollutants is mainly dependent on the traffic intensity and road width. The creation of roadside forest plantations significantly reduces the negative impact of vehicles. Wood plantations contribute to better carbon deposition, which is an integral part of many vehicle pollutants, and create a barrier for pollutants coming far from roads. Forest belt can also be a refuge for many species of animals and combine fragmented habitats around. Because plants and small animals at roadside stations are bound to their localities, they are able to accumulate much amount of ecotoxicants, especially heavy metals, which should be taken into account when conducting local business. For the living of animals in roadside stations, the characteristics of specific confined plant community, microclimate and landform are quite important. Due to the linearity and long distances, roadsides provide migration ways for many species. The developed roadside habitats may be the refugia for not only common, but for rare animals. We should conclude that further research of the environmental benefits of roadside ecosystems in the Steppe zone of Ukraine would allow developing effective measures for roadside management in the frames of nature conservation.

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Wider road verges sustain higher plant species richness and pollinator abundance in intensively managed agroecosystems

Cited by 17 publications

References 49 publications

Escaped oilseed rape: Occurrence in the agricultural landscape and potential pollen-mediated gene flow from crop oilseed rape

Escaped oilseed rape: Occurrence in the agricultural landscape and potential pollen-mediated gene flow from crop oilseed rape

Flower flies (Diptera: Syrphidae) in Pampean agroecosystems: a study case

Road network forms specific stations for living organisms in the conditions of the steppe zone

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