Introduced and native ground beetle assemblages (Coleoptera: Carabidae) along a successional gradient in an urban landscape

Cárdenas, Alida Mercado; Buddle, Christopher M.

doi:10.1007/s10841-008-9137-6

Cited by 10 publications

(3 citation statements)

References 31 publications

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“…However, the total number of species captured appeared relatively low in comparison with another single year study, which reported 29 carabid species in barley fields in Alberta, Canada (Cárcamo 1995) compared with a total of 19 species in our study. Mercado Cárdenas and Buddle (2009) observed 23 and 30 species in corn fields in southern Québec. The number of ground and tiger beetles species observed in borders adjacent to corn fields in the Lanaudière region, Québec, was approximately three times greater than that recorded in our plots (Maisonhaute et al 2010).…”

Section: Discussionmentioning

confidence: 99%

“…Although species composition varied during the season, H. rufipes was clearly the dominant species, particularly in NT treatments. As suggested in a landscape study of beetle communities in the Montréal region of Québec, this introduced species plays an important role in agricultural fields (Mercado Cárdenas and Buddle 2009). Functional benefits of this carabid would largely be due to its granivorous feeding habit (Hartke et al 1998;Gallandt et al 2005).…”

Section: Discussionmentioning

confidence: 99%

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Carabid beetle communities after 18 years of conservation tillage and crop rotation in a cool humid climate

Lalonde¹,

Légère²,

Stevenson³

et al. 2012

Can Entomol

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Agricultural practices affect the biotic and abiotic conditions that determine food and shelter for carabid beetles (Coleoptera: Carabidae). We hypothesised that carabid communities would respond differently to 18 years of contrasted cropping practices in cereal-based rotations. We measured the effects of tillage (MP: moldboard plough; CP: chisel plough; NT: no-till) and previous crop sequence (cereal monoculture versus cereal-forage/cereal-oilseed rotation) on carabid beetle activity density, diversity, and community structure in corn (Zea mays Linnaeus, Poaceae) at La Pocatière, Québec, Canada. Carabid beetles were sampled monthly from May to September 2006, using pitfall traps. Although 19 carabid species were observed, assemblages were dominated by Harpalus rufipes (De Geer), particularly in the second half of the season. Multivariate analyses indicated a strong affinity of carabid species for the NT treatment throughout the season. Crop sequence and tillage had no effect on diversity (Shannon's H 0 r 1.3) and evenness of carabid assemblage, but species richness and activity density were greater in NT than in tilled systems. Peak activity density of dominant species occurred at different times during the season, generally in accordance with preferred breeding season. Many species had greater activity density in NT than in tilled treatments. Because of their granivorous feeding habit, carabid populations such as that of H. rufipes could be an important asset to NT, given the limited weed management options available for this system. Résumé-Les pratiques agricoles affectent les conditions biotiques et abiotiques qui vont définirl'habitat et les sources de nourriture pour les carabes (Coleoptera: Carabidae). Nous suggérons que 18 années de pratiques agricoles contrastées auront affecté les communautés de carabes dans des rotations à base de céréales. Nous avons mesuré les effets du travail du sol (CV: charrue à versoirs; CH: charrue scarificatrice; SD: semis direct) et de la succession des cultures (monoculture céréalière versus rotation céréale-fourrage/céréale-oléagineuses) sur l'activité densité, la diversité et la structure des communautés de carabes dans une culture de maïs (Zea mays Linnaeus; Poaceae) à La Pocatière, Québec, Canada. Les carabes ont été échantillonnés à partir de pièges fosses, de mai à septembre 2006. Bien que 19 espèces aient été observées pendant la saison, les communautés ont été dominées par Harpalus rufipes (De Geer), surtout en deuxième moitié de saison. Les analyses multivariées ont démontré une grande affinité des carabes pour le traitement en SD tout au cours de la saison. La succession des cultures et le travail du sol n'ont pas eu d'effet sur la diversité (indice de Shannon H 0 r 1.3) et sur l'équitabilité des communautés de carabes, mais le nombre d'espèces (richesse) et l'activité densité ont été plus élevés dans le SD que dans les parcelles labourées (CV, CH). Les pics d'activité densité des espèces se sont produits à différents moments au cours de la saison et, généralement,...

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Carabid beetle communities after 18 years of conservation tillage and crop rotation in a cool humid climate

Lalonde¹,

Légère²,

Stevenson³

et al. 2012

Can Entomol

View full text Add to dashboard Cite

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“…Numerous studies have investigated how a spatial gradient from rural, suburban to urban areas affects the diversity and abundance of organisms. Most studies have concluded that the number of species and their abundance generally decreases with increasing urbanization (Mercado Cárdenas and Buddle ), but there are exceptions particularly when invasive species (Dolan et al ) and generalist species (Magura et al , Tóthmérész et al ) are involved. The same reduction in species and their abundance toward the city centre can also be observed in temporal studies.…”

Section: Discussionmentioning

confidence: 99%

Decline in lichen biodiversity on oak trunks due to urbanization

Lättman

Bergman

Rapp

et al. 2014

Nordic Journal of Botany

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Biodiversity often suffers from urbanization. In the present study, we focused on how the length of urbanization affects the richness of 17 epiphytic lichen species and their cover on large oaks in urban environments in a city of 100 000 inhabitants in SE Sweden. We also surveyed trees in adjacent rural areas, selected to have similar distributions of tree trunk circumference and surrounding oak density (within 300 m). Lichen richness and cover were lower on urban trees compared to rural trees. Furthermore, richness and cover decreased with the length of time that urban trees had been surrounded by houses. Most of the species that were analysed demonstrated a decline in occurrence with respect to the duration of housing development. The reduction in the probability of occurrence varied from 60% (Calicium viride, Evernia prunastri), 80% (Chrysothrix candelaris) to 90% (Ramalina spp. Ach.) during the 160-year period of urbanization considered. Therefore, even if valuable trees survive over the course of development, their lichen biota is likely to become depleted over time.

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The terrestrial organism and biogeochemistry spatial sampling design for the National Ecological Observatory Network

Barnett

Duffy²,

Schimel

et al. 2019

Ecosphere

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The National Ecological Observatory Network (NEON) seeks to facilitate ecological prediction at a continental scale by measuring processes that drive change and responses at sites across the United States for thirty years. The spatial distribution of observations of terrestrial organisms and soil within NEON sites is determined according to a “design‐based” sample design that relies on the randomization of sampling locations. Development of the sample design was guided by high‐level NEON objectives and the multitude of data products that will be subjected to numerous analytical approaches to address the causes and consequences of ecological change. A requirement framework permeates the NEON design, ensuring traceability from each facet of the design to the high‐level requirements that make the NEON mission statement actionable. Requirements were developed for the terrestrial sample design to guide the key components of the design: Randomizing the sample locations ensures the unbiased collection of data, is appropriate for organisms and soil, and provides data suitable for a variety of analyses. Stratification increases efficiency and allows sampling to focus on those parts of the landscape measured by other NEON observation platforms. Attention to the sample size and spatial plot allocation ensures that data products will be sufficient to inform questions asked of the data and the NEON objectives. Establishing a framework with the capacity for re‐evaluate and design iteration allows for adaption to unexpected challenges and optimization of the sample design based on early data returns. The utility of the NEON sampling design is highlighted by its application across terrestrial systems. The data generated from this unique design will be used to quantify patterns in: the abundance and diversity of small mammals, breeding birds, insects, and soil microbes; vegetation structure, biomass, productivity, and diversity; and soil biogeochemistry.

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Introduced and native ground beetle assemblages (Coleoptera: Carabidae) along a successional gradient in an urban landscape

Cited by 10 publications

References 31 publications

Carabid beetle communities after 18 years of conservation tillage and crop rotation in a cool humid climate

Carabid beetle communities after 18 years of conservation tillage and crop rotation in a cool humid climate

Decline in lichen biodiversity on oak trunks due to urbanization

The terrestrial organism and biogeochemistry spatial sampling design for the National Ecological Observatory Network

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