Burial-induced changes in the seed preferences of carabid beetles (Coleoptera: Carabidae)

Saska, Pavel; Honěk, Alois; Foffová, Hana; Martinková, Zdeňka

doi:10.14411/eje.2019.015

Cited by 10 publications

(8 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Both the genera were represented in our research. Many species of Carabidae, so-called seed predators, including Harpalus, Pterostichus and others show different trophic strategies (Honĕk et al 2003;Birthisel et al 2014;Gallandt 2006;Saska et al 2019). These species are a significant cause of weed mortality in agroecosystems (Gallandt 2006).…”

Section: Discussionmentioning

confidence: 99%

“…Kulkarni et al (2017) summarized that in temperate agroecosystems, carabid beetles (Coleoptera: Carabidae) are key members of epigaeic invertebrate assemblages, with the potential to provide valuable ecological services. In addition to their significant role as predators of invertebrate pests, carabids consume substantial numbers of seeds produced by numerous weedy species, and in so doing, can reduce weed populations through regulation of the weed seedbank (Honĕk et al 2003;Kulkarni et al 2017;Saska et al 2019).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Ground beetles (Carabidae) of field margin habitats

Bennewicz

Barczak

2020

Biologia

View full text Add to dashboard Cite

The aim of this study was to identify the role of field margin habitats in preserving the diversity and abundance of ground beetle assemblages, including potentially entomophagous species and those with conservation status in Poland. Research material was collected in 2006–2007 in four types of margin habitats – a forest, bushes, ditches and in two arable fields. Insects were captured into pitfalls, without preservation liquid or bait added to the traps. Traps were inspected twice a week, between May and August, and one sample was a weekly capture. In field margin habitats the most abundant species were Limodromus assimilis, Anchomenus dorsalis, Pterostichus melanarius and Carabus auratus. A lower abundance of species was noted on fields, with dominant Poecilus cupreus and P. melanarius. The group of zoophagous carabids found in our study includes 30 species from field margin habitats, i.e. 37.5% of all captured Carabidae taxa and 58.3% of all specimens. The share of aphidophagous species was 84.9% among bushes, 86.7% near ditches, and 88.0% in the forest habitat. Several species captured during the study are under protection in Poland. These include the partly protected Carabus convexus, which also has the status of near threatened species, the partly protected Calosoma auropunctatum, and Broscus cephalotes. Considering all the investigated field margin habitats, ground beetles were most numerous in the oak-hornbeam habitat, defined as bushes, formed predominantly by Prunus spinosa, Crataegus leavigata, Sambucus nigra and Rosa canina. Thus, this habitat was the most important reservoir/refugium for the ground beetles.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ground beetles (Carabidae) of field margin habitats

Bennewicz

Barczak

2020

Biologia

View full text Add to dashboard Cite

show abstract

“…Predation pressure would also be determined by how many seed defensive traits actually match or mismatch with the functional traits of carabid predators with regard to the ability of the carabid to neutralize seed defenses (Ball et al., 2015 ; Quieter et al., 2007 ). This appears crucial because morphological traits of the seed like seed mass, size, and coat hardness undergo considerable physiological changes over time in the soil seed bank, and these changes are likely to affect seed vulnerability to carabid predation (Martinkova et al, 2016; Saska et al., 2019 , 2020 ). For a summary of the different seed traits influential on weed seed vulnerability to carabid predators, see Table 2 .…”

Section: Biological Traits Powering the Ecological Processes Of Weed Seed Predation By Carabid Beetlesmentioning

confidence: 99%

The biology of seed discrimination and its role in shaping the foraging ecology of carabids: A review

Ali

Willenborg

2021

Ecology and Evolution

View full text Add to dashboard Cite

Species of carabid (ground) beetles are among the most important postdispersal weed seed predators in temperate arable lands. Field studies have shown that carabid beetles can remove upwards of 65%-90% of specific weed seeds shed in arable fields each year. Such data do not explain how and why carabid predators go after weed seeds, however. It remains to be proven that weed seed predation by carabids is a genuine ecological interaction driven by certain ecological factors or functional traits that determine interaction strength and power predation dynamics, bringing about therefore a natural regulation of weed populations. Along these lines, this review ties together the lines of evidence around weed seed predation by carabid predators. Chemoperception rather than vision seems to be the primary sensory mechanism guiding seed detection and seed selection decisions in carabid weed seed predators. Selection of weed seeds by carabid seed predators appears directed rather than random. Yet, the nature of the chemical cues mediating detection of different seed species and identification of the suitable seed type among them remains unknown. Selection of certain types of weed seeds cannot be predicted based on seed chemistry per se in all cases, however. Rather, seed selection decisions are ruled by sophisticated behavioral mechanisms comprising the assessment of both chemical and physical characteristics of the seed. The ultimate selection of certain weed seed types is determined by how the chemical and physical properties of the seed match with the functional traits of the predator in terms of seed handling ability. Seed density, in addition to chemical and physical seed traits, is also an important factor that is likely to shape seed selection decisions in carabid weed seed predators. Carabid responses to seed density are rather complex as they are influenced not only by seed numbers but also by trait-based suitability ranks of the different seed types available in the environment.

show abstract

“…In the second place, knowledge of the morphological changes can be used in seed identification from soil samples, particularly in species in which these changes are substantial. Knowledge on changes in seed morphology may become relevant in connection with seed predation of exhumed seeds [27][28][29] because predators are known to select seeds based on seed morphology [30,31]. The aim of this paper is therefore to describe and analyse (i) seed persistence and (ii) changes in morphological seed traits in 26 species of herb seeds in the course of 6-8 years of burial in artificial soil seed banks.…”

Section: Introductionmentioning

confidence: 99%

Persistence and Changes in Morphological Traits of Herbaceous Seeds Due to Burial in Soil

et al. 2020

Self Cite

View full text Add to dashboard Cite

Seeds in soil banks can survive for many years before conditions become more suitable for germination. Meanwhile, seeds undergo changes in morphology and viability. In this study, we launched an artificial seed bank experiment that included 26 species of seeds. We excavated cohorts for 6–8 consecutive years after burial (YAB) in order to determine changes in the morphology (mass, volume, density, seed form) and proportion of fresh (thus persistent) seeds using a crush test as a measure of persistence. The change in seed morphology was fitted by linear and logistic regression, and the proportion of persistent seeds was fitted by logistic regression (effectively by the binomial GLM), which enabled estimation of 50 and 5% persistence times (PT50 and PT05). We found that in most species, seed mass, volume and proportion of persistent seeds declined with YAB, while other morphological traits were less variable, and the decline in these traits with YAB was best fitted with logistic regression. The decline in the proportion of persistent seeds was better fitted by the change in mass than by YAB in some species. Among the species included in this study, PT50 ranged from 1.2 to 10.5 years, and PT05 ranged from 2.1 to 24.3 years. These results can contribute to better understanding of the ecology of weed seed bank persistence in soil. Describing the morphological changes that the seeds undergo in the soil bank may improve our understanding of the biology of seed persistence and facilitate the identification of seeds from the soil bank.

show abstract

Burial-induced changes in the seed preferences of carabid beetles (Coleoptera: Carabidae)

Cited by 10 publications

References 41 publications

Ground beetles (Carabidae) of field margin habitats

Ground beetles (Carabidae) of field margin habitats

The biology of seed discrimination and its role in shaping the foraging ecology of carabids: A review

Persistence and Changes in Morphological Traits of Herbaceous Seeds Due to Burial in Soil

Contact Info

Product

Resources

About