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5 results for “Rattus spp.”
Occupancy model for Rattus spp. in high and low human human refuse supplementation conditions
<p>Globally, the genus <em>Rattus </em>is one of the most influential exotic species due to its high rates of competitive exclusion and large dietary breadth. However, the specific foraging strategies of urban and urban-adjacent populations remain largely unknown. We examined <em>Rattus </em>spp. dependency on human food supplementation in a peri-urban population. Through a natural experiment made possible by the COVID-19 shelter in place order in Santa Cruz California, USA, we measured changes in activity between invasive rats and native rodents with and without human supplementation. We measured invasive rat presence in normal (pre-COVID) conditions near dining halls and similar waste sources, and again under COVID lockdown conditions where all sources of human supplementation were removed. We found a decrease in <em>Rattus </em>presence after the removal of human refuse (p < 0.001), while native small mammal presence remained unchanged. These results have strong conservation implications, as they suggest that proper waste management is an effective, targeted, and less-invasive form of population control over conventional forms of poison. </p>
Occupancy model for Rattus spp. in high and low human human refuse supplementation conditions
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Data from: Broad and flexible stable isotope niches in invasive non-native Rattus spp. in anthropogenic and natural habitats of central eastern Madagascar
Background: Rodents of the genus Rattus are among the most pervasive and successful invasive species, causing major vicissitudes in native ecological communities. A broad and flexible generalist diet has been suggested as key to the invasion success of Rattus spp. Here, we use an indirect approach to better understand foraging niche width, plasticity, and overlap within and between introduced Rattus spp. in anthropogenic habitats and natural humid forests of Madagascar. Results: Based on stable carbon and nitrogen isotope values measured in hair samples of 565 individual rodents, we found that R. rattus had an extremely wide foraging niche, encompassing the isotopic space covered by a complete endemic forest-dwelling Malagasy small mammal community. Comparisons of Bayesian standard ellipses, as well as (multivariate) mixed-modeling analyses, revealed that the stable isotope niche of R. rattus tended to change seasonally and differed between natural forests and anthropogenic habitats, indicating plasticity in feeding niches. In co-occurrence, R. rattus and R. norvegicus partitioned feeding niches. Isotopic mismatch of signatures of individual R. rattus and the habitat in which they were captured, indicate frequent dispersal movements for this species between natural forest and anthropogenic habitats. Conclusions: Since R. rattus are known to transmit a number of zoonoses, potentially affecting communities of endemic small mammals, as well as humans, these movements presumably increase transmission potential. Our results suggest that due to their generalist diet and potential movement between natural forest and anthropogenic habitats, Rattus spp. might affect native forest-dependent Malagasy rodents as competitors, predators, and disease vectors. The combination of these effects helps explain the invasion success of Rattus spp. and the detrimental effects of this genus on the endemic Malagasy rodent fauna.
Data from: Broad and flexible stable isotope niches in invasive non-native Rattus spp. in anthropogenic and natural habitats of central eastern Madagascar
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Fig. 1 in Cryptosporidium spp. in wild rats (Rattus spp.) from the Hainan Province, China: Molecular detection, species/genotype identification and implications for public health
Fig. 1. Geographical locations of rat sources involved in the present study in Hainan Province, China.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.