International Journal of Molecular Ecology and Conservation 2024, Vol.14, No.2, 109-121 http://ecoevopublisher.com/index.php/ijmec 114 pygerythrus) in South Africa have been observed to increase resting behavior while reducing foraging and social activities. This behavioral change helps them conserve energy and avoid overheating but also leads to reduced food intake and social interaction, which can impact their overall health and reproductive success (Young et al., 2019) (Fgure 2). Figure 2 Interaction of number of days without water and variation in food availability on fGCMs (Model1food+water; N = 346) (Adopted from Young et al., 2019) Note: Water availability is split into (1) none (no water available in the previous 30 days; red line), (2) some days (mean value: water available for 24 of the previous 30 days; green line, this represents the mean score for this variable) and all days (water available on all of the previous 30 days; blue line). Food availability is measured as the NDVI score of the previous 14 days. Food availability is z-transformed. Shown are the marginal effects of the interaction of food and water availability on log-transformed fGCM concentrations in nanograms per gram (y-axis). These categories were used only for illustrative purposes; water availability was entered as a continuous variable in all models (Adopted from Young et al., 2019) Additionally, studies on the African lesser bushbaby (Galago moholi) have shown that individuals living in urban environments exhibit increased sociality and altered movement patterns compared to those in rural settings, likely as an adaptive response to the changed environmental conditions brought about by urbanization and climate change (Scheun et al., 2019). These examples underscore the importance of behavioral flexibility in helping primates cope with the direct effects of climate change. 6.2 Migration, Range Shifts, and Changes in Social Structure As climate change alters habitats, many primate species are forced to migrate or shift their ranges to maintain access to suitable environmental conditions. This migration can lead to significant changes in social structures as primates adapt to new environments. For instance, primates in the Amazon are predicted to experience range contractions and expansions due to changing climate conditions, with some species moving to higher altitudes or latitudes to escape rising temperatures (Sales et al., 2020). These range shifts can lead to the fragmentation of populations, disrupting established social groups and altering mating systems, foraging behavior, and intergroup interactions. Additionally, changes in habitat availability can force primates to form new social bonds or compete more intensely for resources in shrinking habitats. In cases where migration is not possible, primates may exhibit increased behavioral plasticity, altering their social structures to cope with the stressors introduced by climate change. However, such changes can be double-edged, offering short-term survival benefits while potentially leading to long-term vulnerabilities due to loss of genetic diversity and increased conflict within and between groups.
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