Resource Use in a Landscape Matrix by an Arboreal Primate: Evidence of Supplementation in Black howlers (Alouatta pigra)

Pozo-Montuy, Gilberto; Serio-Silva, Juan Carlos; Chapman, Colin A.; Bonilla-Sánchez, Yadira M.

doi:10.1007/s10764-013-9691-y

Cited by 52 publications

(52 citation statements)

References 59 publications

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“…caraya : Muhle 2008 ;Prates and Bicca-Marques 2008 ;A. palliata : Pozo-Montuy and Serio-Silva 2007 ;Pozo-Montuy et al 2013 ). For instance, the home range of a group of A. g. clamitans studied by Fortes ( 2008 ) in the Brazilian state of Rio Grande do Sul comprised 3 very small fragments (0.2, 0.5 and 1.1 ha) isolated by 35-50 m of grassland that were crossed by the howlers on a daily basis.…”

Section: Factors Affecting Home Range Sizementioning

confidence: 99%

“…For instance, the home range of a group of A. g. clamitans studied by Fortes ( 2008 ) in the Brazilian state of Rio Grande do Sul comprised 3 very small fragments (0.2, 0.5 and 1.1 ha) isolated by 35-50 m of grassland that were crossed by the howlers on a daily basis. Similarly, the home range of a group of A. palliata in Tabasco, Mexico, included several trees scattered in a pastureland, to which the howlers traveled regularly to feed on fruits (Pozo-Montuy et al 2013 ). The costs of adopting this strategy are illustrated by 2 events of predation, 1 by a coyote (Pozo-Montuy and Serio-Silva 2007 , 499 h of observation) and the other by a domestic dog (V.B.…”

Section: Factors Affecting Home Range Sizementioning

confidence: 99%

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Ranging Behavior and Spatial Cognition of Howler Monkeys

et al. 2014

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Since the fi rst long-term fi eld study of mantled howler monkeys carried out by Clarence R. Carpenter on Barro Colorado Island about 80 years ago, howler movement patterns and range use have been studied in several species and study sites throughout Mexico, Central, and South America. Howler monkeys often use small home ranges (<30 ha) and travel short distances each day (<1,000 m) compared with other atelines. Home range size, day range length, and patterns of use of space may vary both within-and between-species in response to differences in forest structure, patterns of resource distribution and phenology, the area of habitat available, group size, and population density. Within-species variability has been shown to increase with increasing sample size. In addition, howlers present a pattern of repetitive use of a limited number of routes to travel between feeding and V. B. Fortes

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Section: Factors Affecting Home Range Sizementioning

confidence: 99%

Section: Factors Affecting Home Range Sizementioning

confidence: 99%

Ranging Behavior and Spatial Cognition of Howler Monkeys

et al. 2014

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“…In the case of forest fragmentation, there are several hypotheses. First, travel routes can be limited, bringing individuals into greater contact with contaminated foliage or forcing them onto the ground where they are more likely to come into contact with soil-transmitted pathogens [Stoner, 1996;Gillespie et al, 2005;Trejo-Macías et al, 2007;Mbora and McPeek, 2009;Pozo-Montuy et al, 2013]. Groups may also be forced into smaller areas, thereby increasing density, contact rates and subsequent parasite exposure [Stoner, 1996;Nunn et al, 2003;Gillespie et al, 2005;Vitazkova and Wade, 2007;Wells et al, 2007;Mbora and McPeek, 2009;Arroyo-Rodriguez and Dias, 2010].…”

Section: Introductionmentioning

confidence: 99%

Association of Anthropogenic Disturbances and Intestinal Parasitism in Ecuadorian Mantled Howler Monkeys, Alouatta palliata aequatorialis

Helenbrook¹,

Stehman²,

Shields³

et al. 2017

IJFP

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Forest disturbance and human encroachment have the potential to influence intestinal parasite communities in animal hosts by modifying nutritional health, physiological stress, host densities, contact rates, and ranging patterns. Anthropogenic disturbances also have the ability to affect the ecological landscape of parasitic disease, potentially impacting the health of both wildlife and people. Our research investigated the association of forest disturbance and human encroachment on intestinal parasite communities in mantled howler monkeys, Alouatta palliata aequatorialis. We found that individual parasite species prevalence was associated with group size and forest disturbance. Proximity to people was not a direct factor influencing intestinal parasitism; rather, several human proximity indices were related to group size, which was in turn related to overall species richness and the presence of specific parasite species. These results, coupled with previous findings, suggest that anthropogenic disturbances are likely influencing intestinal parasite communities. Though no single study has definitively explained all relationships between anthropogenic disturbances and intestinal parasitism, we propose that our models are appropriate for meta-analysis testing across other species and environments.

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“…These pressures can exacerbate the effects of habitat loss and fragmentation on primate species, depending on species' life history traits. For example, the large space requirement of some large bodied primate species living in large groups at times has been overcome by utilising crops and urban resources as part of their diet Pozo-Montuy et al 2012;CampbellSmith et al 2012). In addition, some traits such as large body size and diet specialization seem to make species with these traits more sensitive to other concomitant and anthropogenic pressures such as selective logging and hunting (Peres 1999;Chapman et al 2010).…”

Section: Rodriguez Et Al 2013a)mentioning

confidence: 99%

“…The priority conservation areas identified in the prioritising process in chapter 5, need to incorporate an expert and stakeholder consultation process to assess the benefits of the priority areas selected. 24 4, 5, 12, 14, 15, 30, 50, 68, 78, 88, 91, 104, 108, 115, 130 9, 10, 15, 36, 39, 79, 92, 110, 128 13, 25 25 13, 25 Distance to nearest town 38 43, 78, 115 Patch shape 123 38 4, 78, 88, 91, 123 110 Forest Cover 123 119 4, 5, 69, 88, 123, 133 110 Edge density 123 123 Mean inter-patch isolation distance 123 123 Number of forest patches 123 4,88,110 Matrix 3,31,54,123 3,5,7,14,26,123,129,6,9,10 58,120 58,120 Appendice C. Additional graphics of all the response variables studied across traits. library (rjags) library (coda) library (snowfall) library ( idx_z <-idx_z + 1…”

Section: Limitations and Future Directionsmentioning

confidence: 99%

Conservation planning for primate communities in rapidly transforming landscapes

Carretero-Pinzón¹

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Deforestation in tropical forests is a leading cause of biodiversity loss, including for primate species. In this context the processes, habitat loss and fragmentation are two of the main drivers of primate population declines. However, we still know little about the importance of each of these processes (i.e. habitat loss and fragmentation) across different scales for understanding impacts on primate populations. In particular, the vast majority of primate studies on the effect of habitat loss and fragmentation have been conducted only at the patch scale, without paying attention to patterns and processes at broader landscape scales. Understanding how habitat loss and fragmentation affect primate species' occurrence, abundance, group structure is important to propose improved management actions for primates in fragmented landscapes. This thesis evaluates the effect of landscape change on primate species occupancy, abundance, group structure at different scales and incorporates them into a systematic conservation planning process.The thesis has four aims: 1) determine what we currently know about the effects of patch size in primates and whether or not it varies across life history traits; 2) determine the relative importance of site-scale, patch-scale and landscape-scale variables for primate species occupancy and abundance in the Colombian Llanos; 3) determine the relative importance of site-scale, patch-scale and landscape-scale variables for primate species group density, composition and size in the Colombian Llanos; and 4) based on the model from (3) identify priority conservation areas for primate conservation in the Colombian Llanos, using systematic conservation planning. To address these, I first conducted a systematic review of the published literature to determine what we know about the effects of habitat loss and fragmentation on primate species and whether or not those effects relate to life history traits. Then I use a multi-scale analysis of the variables affecting the occurrence, abundance, group size and composition of primate species in fragmented landscapes, using four primate species of the Colombian Llanos as examples. I then incorporate the models developed for the Colombian Llanos primate species into a prioritization process using systematic conservation planning.iii My systematic review shows that density, parasitic prevalence and diversity, and time spent feeding are generally positively correlated with patch size, while species presence and genetic diversity are negatively correlated. Time spent resting and moving did not show clear patterns with changes in patch size. I found little evidence that the effect of patch size varies consistently with traits but this may be due to confounding factors and/or low sample sizes. My novel application of a multi-scaled analysis to primates in the Colombian Llanos demonstrated that occupancy was associated with a combination of patch-site variables, site-landscape or patchlandscape variables depending on the primate species, with site and ...

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Resource Use in a Landscape Matrix by an Arboreal Primate: Evidence of Supplementation in Black howlers (Alouatta pigra)

Cited by 52 publications

References 59 publications

Ranging Behavior and Spatial Cognition of Howler Monkeys

Ranging Behavior and Spatial Cognition of Howler Monkeys

Association of Anthropogenic Disturbances and Intestinal Parasitism in Ecuadorian Mantled Howler Monkeys, Alouatta palliata aequatorialis

Conservation planning for primate communities in rapidly transforming landscapes

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