Garbage in the diet of carnivores in an agricultural area

Jankowiak, Łukasz; Malecha, Anna W.; Krawczyk, Agata J.

doi:10.1515/eje-2016-0009

Cited by 10 publications

(7 citation statements)

References 27 publications

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“…Vehicles release heavy metals into the environment, and animals that associate with roads may accumulate these elements in their tissues (Marcheselli et al 2010). Lastly, foraging along roads can also lead to incidental ingestion of anthropogenic garbage such as paper, plastic, and glass (Jankowiak et al 2016).…”

Section: Discussionmentioning

confidence: 99%

A review of ecological factors promoting road use by mammals

2020

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Roads have numerous negative impacts for mammals, but may also serve as attractants due to altered vegetation or provisioning of resources. We reviewed the use of roads and their associated features by mammals, in order to understand the ecological factors contributing to road use. We documented 129 studies that recorded road use by 116 mammalian species, spanning 15 orders and 35 families, in six continents. Carnivora was the most common order (40 species, 34% of all 116 species), followed by Artiodactyla (24 species, 20%) and Rodentia (21 species, 18%). The species were placed in the IUCN categories Least Concern (88 species, 76% of all 116 species), Vulnerable (11 species, 9%), Near Threatened (9 species, 8%), Endangered (6 species, 5%), and Critically Endangered (2 species, 2%). We assigned road use to five ecological categories, reflecting the reason for it, with subcategories where appropriate: (1) communication; (2) foraging (subcategories: anthropogenic food, herbivory, predation, salt, scavenging, water); (3) movement (subcategories: bridges, environmental alterations, habitat connectivity); (4) refuge (subcategories: avoidance, burrowing and denning, cover, roosting); and (5) thermoregulation. Foraging, movement, and refuge were the most common uses. Roads provide a variety of resources to mammals, but road use is highly dynamic in time and space. We suggest that the use of roads by mammals is extensive, both geographically and taxonomically. Road use is likely to influence mammalian ecology while contributing to the risk of collisions with vehicles.

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Section: Discussionmentioning

confidence: 99%

A review of ecological factors promoting road use by mammals

2020

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“…C. M. Smith & Munro, 2010;Shazali et al, 2016;Pike et al, 2017;. Additionally, resources provided by the novel environment are The contribution of the Canary Island date palm (Phoenix canariensis) to the winter diet of frugivores in novel ecosystems utilised by species that arrive from surrounding areas to forage on fruit-bearing plants and human refuse in urban spaces and return to their external roots at night (Bass, 1996;Guix, 2007;Washburn et al, 2013;Jankowiak et al, 2016;Santana & Armstrong, 2017). Often, over a short period of time, the latter species are becoming habituated and adapt to or exploit the new opportunities (Kark et al, 2007;Carrete & Tella, 2011;Blumstein, 2014;Johnson & Munshi-South, 2017;Howell & Clements, 2019).…”

mentioning

confidence: 99%

The contribution of the Canary Island date palm (Phoenix canariensis) to the winter diet of frugivores in novel ecosystems

Spennemann

2019

European Journal of Ecology

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With the increasing expansion in urban areas, many species have adapted to utilising horticulturally used plants as alternate or augmentary food sources, in particular, during winter – when native foods are largely absent. Ornamental palms, particularly Canary Island Date Palms, fruit continuously during most of the year and thus provide a stable food supply. Based on observational, metric and bio-chemical data, this paper examines the role Canary Island Date Palms can and do play in the nutrition of frugivorous animals, in particular, for birds. It demonstrates that with its nearly year-round provisioning of drupes, the palm plays a major role as a ‘staple’ and backup food source for several species.

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“…As well as trapping animals, litter poses a threat of injury e.g. fragments of broken glass, ingestion or entanglement 19,[63][64][65][66] .…”

Section: Discussionmentioning

confidence: 99%

Online media reveals a global problem of discarded containers as deadly traps for animals

Kolenda

Pawlik

Kuśmierek

et al. 2021

Sci Rep

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The widespread occurrence of litter is a severe threat to global ecosystems. We have analyzed online media, to assess the diversity of animals that are prone to getting trapped in discarded containers and check which kind of containers is the most common trap for animals. A total of 503 records from around the world (51 countries, 6 continents) have been found. These include invertebrates (17 taxa, ca.1050 dead individuals), and vertebrates (98 taxa, 496 individuals including 44 carcasses). The latter group was most frequently represented by mammals (78.5% of all cases), then reptiles (15.3%), birds (1.2%), fish (1.0%) and amphibians (0.4%). Nearly 12.5% of the determined vertebrates are classified as vulnerable, endangered or critically endangered, according to the IUCN. Although most trapped individuals were smaller animals, bigger ones such as monitor lizards (Varanus spp.) or large carnivores were also recorded. In most cases, animals were trapped in glass or plastic jars (32.4%), drink cans (16.5%), and steel cans (16.3%). Our results demonstrate that discarded containers can be a threat to all major groups of animals. In order to address this phenomenon, it is necessary to decrease a global production of debris, implement container deposit legislation and organize repeatable cleanup actions.

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Garbage in the diet of carnivores in an agricultural area

Cited by 10 publications

References 27 publications

A review of ecological factors promoting road use by mammals

A review of ecological factors promoting road use by mammals

The contribution of the Canary Island date palm (Phoenix canariensis) to the winter diet of frugivores in novel ecosystems

Online media reveals a global problem of discarded containers as deadly traps for animals

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