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Data for: Modelling the surprising recolonisation of an understudied aquatic mammal in a highly urbanised area: Fortune favored the Smooth-coated otter in Singapore

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DataONE2023-08-31 更新2025-08-09 收录
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Ever-growing human activities present an active and continuing threat to many species throughout the world. Nevertheless, concerted conservation efforts in some regions have balanced these threats and allowed endangered species to recolonise former parts of their original ranges and reverse their decline. This is notably the case of the smooth-coated otter (Lutrogale perspicillata). In 1998, individuals returned to Singapore after more than a 20-year absence. In 2017, 79 otters were counted throughout the heavily urbanized city. Despite this comeback, the future of the species in Singapore is unclear. By collating information on the species’ life history traits, we implemented a spatially explicit individual-based model. The model demonstrated that successful establishment of Singapore's population from the initial immigrants was highly uncertain. In 43% of cases, stochastic extinction occurred. From the 9% of model replicates that closely reproduced the observed colonisation history, p..., The data was created through the use of an individual-based model named: \"RangeShifter\". The different data sets show the outputs of the model for the smooth-coated otter species in Singapore. The data shows the increase in population from colonization to 70 years after. Data sets include population growth every 10 years and also habitat patches occupied with number of individuals per patches. This data was then fed into RStudio for analyses. , The data was was obtained using the program RangeShifter version 2.0 and RStudio version 4.1 was used to open the data files and analyse them. , # Data for: Modelling the surprising recolonisation of an understudied aquatic mammal in a highly urbanised area: Fortune favored the Smooth-coated otter in Singapore Data for manuscript List of data sets used for the data analysis for the manuscript: \"Modelling the surprising recolonisation of an understudied aquatic mammal in a highly urbanised area: Fortune favored the Smooth-coated otter in Singapore\" List of files and description: 1. Sim50\_Parameters This file details the different species and model parameters that were used as input into the RangeShifter software. 2. Sim50\_Occupancy This file contains a list of all the cells in the landscape (x and y coordinates) or of all the patches (PatchID). The remaining columns give the occupancy probability of the cell / patch at defined time steps. The occupancy probability is obtained by dividing the number of times (replicates) that the cell / patch has been occupied in a given year by the total number of replicates. 3. Sim50\_...
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2025-07-22
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