- Open Access
Fauna used by rural communities surrounding the protected area of Chapada do Araripe, Brazil
Journal of Ethnobiology and Ethnomedicine volume 12, Article number: 41 (2016)
Studies on the inter-relations between people and animals have been considered essential to better understand the dynamics of socio-ecological systems. This study aimed to register the animal species known by the communities adjacent to National Forest of Araripe, their uses and if the close relationship affects the knowledge of useful species.
Data collection was conducted through a semi-structured inquiry form, free listings and guided tour. The study included 246 people from two community groups: group 1 (n = 113; <2 km from FLONA) and group 2 (n = 133; ≥ 2 km).
According to the free listing, group 1 communities know more animal species (11.50 ± 5.81) than group 2 (9.41 ± 3.70), with a significant difference in knowledge between the groups. Men and women showed no significant difference in knowledge about animal species. The men from group 1 know, significantly, more species than men from group 2; but this difference was not observed in women from both groups. In the analysis of the Use Value (UV), Mazama gouazoubira showed a higher UV, both in group 1 (1.15) and group 2 (1.49). The guided tour identified the presence of 11 species, common in the vegetation of Forested Savannah (Cerradão) and in the transition Rainforest/Savannah (Cerrado).
The results indicate M. gouazoubira as the most known and used species in this Protected Area, showing that species of interest to the local communities are worthy of conservation attention.
In ethnozoology, the fauna inventory has been used to provide information on the repertoire of animal species most used for varied purposes [1, 2] such as feeding  medicinal , pets , and magic-religious , bringing attention to conservation aspects related to these uses. For example, a study based on analysis of the hunting activities by communities located in different areas of Ceará, in northeastern Brazil, documented 27 species of reptiles with some utilitarian value, of which five are listed as endangered species in the Brazilian list. These results emphasize the importance of these areas for the maintenance of the herpetofauna .
Recent studies highlights that anthropogenic pressures on forest areas, combined with the versatility of uses and illegal trade of wildlife, tend to intensify the population decline of animal species in Brazil [7–10] and in different countries as Argentina , Mexico  and Spain . In the Brazilian Amazon, a study of mammal hunting in indigenous and rural groups found that the lack of knowledge of local people about the importance of some animal species to the environment also contributed to this decline . Thus, for decision-making regarding the priority sites for conservation and management, it is essential to determine which species are locally important, as well as their preferred habitats in the landscape matrix, because these analyses will point out ecological aspects and threat factors for the protection and conservation of these species.
Worldwide speaking, one of the difficulties faced by managers of protected areas in handling biological species is the lack of information about their composition and environments they use . The National Forest (FLONA, VI IUCN category) of Araripe, although highlighted as an area of extreme biological importance for the conservation of the fauna of the Caatinga biome , lacks further studies on its fauna, limiting management and conservation actions. Past studies are only surveys on species in different vegetation types, such as birds , entomofauna , herpetofauna [19, 20] and mammals . With a focus on ethnozoology, studies were developed within ornithology, with emphasis on composition and traditional use of birds  and mammals . However, there are no published data that addresses the richness of the fauna of this protected area, integrated with local knowledge and ecological analysis.
Given the above, this study aimed to collect data on the animal species known to local communities, as well as their uses and places of occurrence in the vicinity of the National Forest of Araripe, Ceará, taking into account the effects of these variables: the distance between the communities and the FLONA, and the gender regarding knowledge on the richness of known animals. We also aimed to propose priority sites for conservation. Specifically, we intended to answer the following questions: what are the known species reported as utilitarian for local communities? Which species have higher use value, deserving more attention in conservation policies? Which phytophysiognomies are potential for conservation of animal species in the area studied?
Area of study
This study was conducted in four communities located in the buffer zone of the National Forest of Araripe, Ceará, a semiarid region of Northeast Brazil, with two located near this protected area (< 2 km; Group 1) and two being more distant (≥2 km; Group 2), respectively (Fig. 1): Caldas and Farias communities (belonging to the municipality of Barbalha), Novo Horizonte community (municipality of Jardim) and Banco de Areia community (municipality of Missão Velha).
Founded in 1946, the FLONA of Araripe (Category VI IUCN) is the first Protected Area for the Sustainable Use of resources established in Brazil and currently stands out as an area of extreme importance for the conservation of flora and fauna of the Caatinga biome . With a land area of 38,919.47 hectares, it covers 05 municipalities in the State of Ceará (Northeast region of Brazil) . It comes under the influence of hot and humid tropical climate, annual average rainfall of 1090.9 mm, temperatures around 23 °C and topography with altitude reaching 900 m, characterized by flat terrain features and sedimentary lithology [25, 26].
According to the regional classification of vegetation, the studied communities are distributed in three forest types (Fig. 1): Rainforest (Caldas community), Forested Savannah “Cerradão” (Novo Horizonte community) and Rainforest “Mata Úmida”/Savannah transition “Cerrado” (Farias and Banco de Areia communities) . Briefly, the rainforest vegetation is characterized by high density and high-sized trees (heights over 15 m); the forest savannah is characterized by a reduction in the size of the trees, forming a dense, closed vegetation, and the savannah is characterized as an open formation with ununiformed and twisted trees, distant from each other . These types of vegetation include forest fragments in different stages of conservation, which are used for different purposes as a path between local communities, wild resources extraction (of pequi, Caryocar brasiliense Camb. and fava d’anta, Dimorphadra gardneriana Tul.) and subsistence agriculture (corn, beans, and cassava) .
Regarding the fauna, it is home to two species of birds listed as endangered: the araripe manakin Antilophia bokermanni (Coelho & Silva, 1998), the only bird with occurrence restricted to the state of Ceará , and the araponga-of-the-northeast Procnias averano averano (Hermann, 1783) .
Ethnozoological data collection
The ethnozoological data was collected for three consecutive months (January to March, 2013) through interviews, using a semi-structured inquiry form , directed to residents with a minimum age of 18 years and residence time on site for at least 10 years. Only one member of each family was interviewed, selected through the Snowball technique , which consists of selecting survey participants from recommendation. The form addressed issues regarding animal species of hunting interest for locals and their known uses, as well as socio-economic data for each participant, such as gender, age, residence time on site and occupation.
The study included 246 people (173 men and 73 women), of a total of 615 families estimated by health workers in each community, with 113 people distributed in a radius of <2 km from the FLONA and 133 within the radius of ≥2 km; overall average age was 54 years old (Table 1).
To gather information regarding the perceived richness of animal species and their uses, we employed free listing , a process in which the participant was asked to mention the species they knew. The free listing technique is to ask each participant to the question of research interest, in order to evaluate responses patterns. In this technique it is assumed that the culturally most important elements appear in the lists in order of importance . An album containing illustrative figures of animal species occurring in the region, prepared based on the list of species documented in the Management Plan of the National Forest of Araripe , was presented to each of the participants, to help them identify the species mentioned in the free listings.
We also used guided tour , as a method to confirm the occurrence of these species in the area of study, having been made eight field trips on consecutive days, 5 h duration each. This method consisted in visiting areas of the National Forest and its surroundings, in the company of community of people with knowledge of the local fauna, looking (at random) for trace elements (footprints or carcasses) to identify the animals mentioned. They walked through forest fragments (caponier, dense forest, shore paths), through pre-existing trails often used by hunters in hunting or extractive activities, as well as the likely occurrence of the species locations, based on the experience of the informant. The forest fragments sampled (n = 9) were located in the Rainforest vegetation (n = 1), the Forested Savannah (n = 3) and the transition Rainforest/Savannah (n = 5) (Fig. 1). The sampling effort in the studied fragments can be seen in Table 2.
The scientific nomenclature used for the species mentioned in this study followed the standards set by the Brazilian Herpetological Society , by the Brazilian Committee of Ornithological Registration , and the Annotated list of Mammals of Brazil .
The threat status of each species was obtained in the National List of Brazilian Endangered Fauna Species  and in the International List Endangered Species of the International Union for Conservation of Nature—IUCN 
Sampling effort and species perceived wealth
The relative sampling efficiency regarding the number of interviews conducted in community groups (Groups 1 and 2) was evaluated by cumulative curves of species , constructed with data regarding the presence and absence of animal species mentioned in the interviews (one interview = one sample). We used the nonparametric estimator Chao 2, which is based on the wealth of species found in one sample and found in exactly two, requiring only the use of an array of qualitative data (presence or absence) . For these characteristics, the Chao 2 is indicated for ethnozoological studies . Curves were generated using the EstimateS 8.2.0 program with 1000 randomizations and 95 % confidence interval .
Wealth of species was estimated by traces elements (footprints or carcasses). To quantify the effect of individual records, we considered that different tracks of the same species in the same trail/road would be different records; for this, we used as a parameter, the direction followed by the animal and/or size of the footprint . The footprints were identified by the informant himself and then photographed; carcasses were identified with the help of experts.
Calculating the use value
The local relative importance of known animal species was determined by calculating the commonly use value (UV) and effected by the formula; UV = ∑ U/n; in which, UV = index of the species use value; U = number of citation by etnospecies; n = number of participants . Use categories were determined according to the literature : feeding, medicinal, mystic-religious, handcraft, ornamental and other uses, making no distinction between the current and potential uses. For animals cited for therapeutic indications, conditions were grouped into categories according to the International Statistical Classification of Diseases and Related Health Problems—ICD-10 . Additionally, we analyzed the citations of more representative uses for calculating Fidelity Level (FL) obtained by: FL = Ip/Iu x 100 %; in which, FL = fidelity level; Ip = number of informants, who suggest the use of a particular animal to a principal use and Iu = total number of participants, who cited the animal for any purpose . According to this index, the greater the consensus among participants regarding the uses mentioned for a species, the higher the FL. The FL may exhibit values equal to 100 % .
For complimenting data, the Mann-Whitney test, 5 % significance level, was used to verify the existence of differences in the richness of known animals by gender and distance of local communities to the Protected Area. We analyzed data with the Software SPSS 20.
Results and discussion
Perceived richness of animal species
We registered a total of 53 species cited by participants. Group 1 communities reported a greater number of species (52), belonging to 50 genera and 31 families, with an average citation of 11.50 ± 5.81 per participant. Participants from Group 2 mentioned 44 species, from 41 genera and 25 families, with an average citation of 9.41 ± 3.70 (Table 3). These differences in the richness of species and number of citations are significant (Mann-Whitney U = 6128, p = 0.012), leading to the conclusion that the spatial distribution of human populations in relation to a natural area can contribute to a greater or lesser local knowledge on the fauna with utilitarian value or not.
The number of interviews (n = 246) showed a satisfactory sample of the species richness locally known by participants from Group 1 and Group 2, considering that the richness recorded was of 99.6 % (n = 52) and 99.4 % (n = 44), respectively, of the total species estimated by Chao 2 for these areas (Fig. 2).
The group of Birds was the most often cited (nGroup 1 = 33 species and nGroup 2 = 25), followed by Mammals (nGroup 1 = 17 and nGroup 2 = 17) and Reptiles (nGrupo 1 = 2 and nGrupo 2 = 2). Birds and mammals are typically the most well represented groups in studies that address the knowledge and use of wild vertebrates by human populations, referred to as the zoological groups most relevant to local communities [41, 49–52].
Among the species cited by participants of the Group 1 communities, stand out in the number of citations: Mazama gouazoubira (G. Fischer, 1814) (Common deer, 103 citations), Penelope superciliaris (Temminck, 1815) (Rusty-margined guan; 98) Dasypus novemcinctus (Linnaeus, 1758) (Nine-banded armadillo; 95) and Euphractus sexcinctus (Linnaeus, 1758) (Six-banded armadillo; 94). On the other hand, communities of Group 2 cited more: M. gouazoubira (Common deer, 129 citations), P. superciliaris (Rusty-margined guan; 110); E. sexcinctus (Six-banded armadillo; 101), D. novemcinctus (Linnaeus, 1758) (Nine-banded armadillo, 98) and Dasyprocta prymnolopha (Wagler, 1831) (Black-rumped agouti; 99). These species were greatly popular as a food resource in different locations in Brazil [41, 50, 53, 54] and Mexico, signaling a standard regarding the animal species most important for hunting [12, 55, 56]. The predominance of citations for the common deer, M. gouazoubira, in both groups of communities studied, suggests that the species is possibly distributed in different forest fragments frequented by human populations, allowing the common deer to be more vivid in the memory of these people. The prominence of a species results from the degree of interaction of people with this species, which may be due to its abundance in area .
Comparing the number of species cited by men and women in the communities studied, on average men cited more species than women (men = 10.35 ± 4.88 animals; women = 10.24 ± 4.67), with such differences as statistically significant by the Mann-Whitney test (U = 6811, p = 0.697). Analyzing men and women separately, we found that the men from Group 1 communities cited more animals than men from Group 2 communities (on average 11.50 ± 5.81 and 9.41 ± 3.69 species, respectively; Mann-Whitney U = 3025, p = 0.033), though this difference did not exist among women of the studied groups (Mann-Whitney U = 550, p = 0.237). This occurs, because men and women have different and unique relationships with biodiversity. The propensity of men to be in possession of greater knowledge about wild animals in this study was similar to that found in the semiarid region of the state of Paraíba . This can be explained due to men participating in activities that provide a more direct interaction with the environment, such as hunting, gathering and farming [58, 59]. The fact that Group 1 men mentioned a greater number of animals compared to men from Group 2, may be due to the life experience of those people with the local wildlife, which includes access to diversity of knowledge about wildlife resources at different stages of life and the use of the natural environment, according to the practiced activity, since differences in the knowledge of communities regarding biological species may be closely associated with the productive activities of human populations .
Ethnobiological studies focusing on intracultural variation of knowledge of wildlife have shown that, besides the distance of local communities in relation to the environment, socio-cultural variables such as gender, age classes, schooling, housing time, type of practiced activity and income all tend to influence the knowledge of local resources by human populations [41, 60–62].
Species richness by sampling in forest fragments and ecological aspects
The sampling method by trace elements, through footprints (72 footprints of 10 species, 95.8 %) and carcasses (n = 1 sp.; 4.2 %) confirmed the presence of 11 species (seven mammals, three birds and one reptile) to 11 genera and 10 families (Table 4). The greater occurrence of species was found in the Forested Savannah vegetation (8 spp.; 72.72 % of total records), followed by the transition area Rainforest/Savannah (6 spp.; 54.55 %) and Rainforest (3 spp.; 27.27 %). Mammal species accounted for 63.64 % (n = 7 spp.) of the total representation in sampled areas, followed by birds (27.27 %; 3 spp.) and reptiles (9.9 %; 1 spp.). According to the Geoenvironmental Zoning of the state of Ceará, the Savannah is one of the vegetation units that has the best storage conditions . Its closed environment (“capões forest”) and dense configuration provides favorable environmental conditions to meet the needs of animal species that include availability of food, rest, refuge, and shelter.
The fragments sampled in the Rainforest vegetation correspond to environments predominantly open (such as trails within the forest and road) that, by the degree of disturbance, becomes an interfering factor for the presence of species in this site. This finding was corroborated by Negrão and Valladares-Pádua  in a Forest Reserve of São Paulo, Brazil, to find that the traffic of people and vehicles through the Reserve may have contributed to the absence of the Spotted (Agouti paca Linnaeus, 1766) in the region, which is sensitive to the presence of humans.
The higher frequencies of the recordings were made by the common deer, M. gouazoubira (n = 23; 31.94 % of total records), especially in transitional vegetation Rainforest/Savannanh, and the Black-rumped agouti, D. prymnolopha (n = 19; 26.38 %). Of all the recordings (n = 72), only the Black-rumped agouti, D. prymnolopha (n = 19; 26.38 %) and the tegu, Salvator merianae (Duméril & Bibron, 1839) (n = 9; 12.5 %) were recorder in all three vegetation types: Forested Savannah (9.02 records), transition area Rainforest/Savannah (9 and 7, respectively) and Rainforest (1 record each).
The most frequent records for M. gouazoubira (Common deer) and D. prymnolopha (Black-rumped agouti) may be related to territorial behavior and/or feeding strategy of these species, which are influenced by environmental characteristics of forest fragments. As pointed out by Caraballo , animal species elect different habitats according to their annual or seasonal needs.
The M. gouazoubira species (common deer) occurs in various environments, from continuous dense forests to open savannahs with small and few forest patches, but always associated with forests for shelter and food . About the diversity and geographical distribution of terrestrial, medium and large mammals in the northeastern Brazil, Feijó and Langguth  mention the current presence of M. gouazoubira within the state of Ceará, but restricted mainly to the most conserved regions of the mountain area, where access is difficult.
D. prymnolopha (Black-rumped agouti) is a species of rodent that feeds on a variety of fruits and seeds in Neotropical forests and savannahs , also consuming leaves, flowers and fibers . Feijó and Langguth  comment that agoutis have high vagility and have also suffered translocations of anthropogenic origin. These factors may contribute to the presence of this animal in several forest fragments, which was confirmed in this study by the evidence of its presence in forest fragments of the three sampled vegetation types.
The reptile fauna of the Chapada of Araripe is represented predominantly by species that are typical of the Caatinga, with occurrences in the areas of Savannah and Rainforest . The only recorded species was the S. merianae lizard (tegu), which occurs in a variety of habitats (Savannah, Caatinga and Rainforest)  and in semi-arid \regions of Brazil. It is the most hunted reptile . Omnivorous in habit and quite tolerant to more open environments, the species lives at the edges and clearings of the forest, often approaching anthropogenic environments [71, 72]. According to Zanella , the S. merianae has great ability to shift between different types of environments, which may have contributed to the recording of this species in the three sampled vegetation types. We hypothesize that the unusual weather conditions during the course of the field study (year of drought and prolonged drought in the state of Ceará), possibly motivated a higher frequency of movement of this lizard between environments, seeking for food. This is in line with Silva  in his study of diet and reproductive aspects of the S. merianae in an adjacent community of the FLONA of Araripe, Ceará. These authors found that in the warmer months of the year (from October to February) the tegu, S. merianae, showed a greater recording of location changes for reproduction events, and certainly for foraging, since it is a period of less availability of food resources.
We observed during the period of study, in the Rainforest area (n = 3 records) using trampling records, the occurrence of the Collared anteater, Tamandua tetradactyla (Linnaeus, 1758) in the FLONA of Araripe. The three specimens were found in the same stretch of road (open green area), which may be an indication that T. tetradactyla density is high in this forest fragment. This species has a wide distribution in the state of Ceará, being found in different vegetation types that include areas of open vegetation and dense forest . With daytime, twilight and nocturnal habits, the Collared anteater, T. tetradactyla, has a low metabolism, changing the pattern of activity according to the change in environment temperature, which leaves it more vulnerable to the risk of accidents .
Regarding the conservation status of the species recorded through interviews and confirmed by the trace elements method, only the Oncilla Leopardus tigrinus (Shreber, 1775), is listed in the National List of Brazilian Fauna Endangered Species and is considered endangered (EN) . In the Official List of Endangered Species of the IUCN, the L. tigrinus species (Shreber, 1775) is assessed as Vulnerable. The other species are classified as Less Concerning .
Animal species of utility value
After the inclusion of species in utility categories, 15 species (distributed in 11 families and 14 genera) presented some known use, corresponding to 28.3 % of all species mentioned. These were grouped into six categories of use: feeding, medicinal, handcraft, ornamental, mystic-religious and other uses (Table 5).
In the use analysis by group of communities, Group 1 participants attributed uses for 15 species belonging to 10 families. Among participants from Group 2, 14 species were cited, all mentioned by participants from Group 1. The feeding (10 species cited by participants from both groups of communities) and medicinal categories (5 and 7 species cited by participants in Groups 1 and 2, respectively) united a greater number of species known to be locally useful. The categories that had the greatest number of useful species are also the most representative in the Brazilian semi-arid regions [6, 53] and other biomes of Brazil, such as the Atlantic Forest [49, 50, 52], demonstrating the cultural relevance attributed to these uses. Barboza et al.  studying hunting activities for meat in different parts of the Caatinga biome, found that the mammals’ meat are the main source of protein for human communities of Brazilian semi-arid. The use of wildlife species as food and as medicinal resources for local communities is still a common practice in Brazil  and in other countries, particularly in arid environments , where poverty finds in the flesh of these animals and its by-products, energetic benefits and an alternative for the treatment of different diseases.
The average use value among Group 1 participants was 0.40 and for the Group 2, 0.42 (Table 6). The common deer, M. gouazoubira had higher use values with 1.15 to participants from Group 1 (131 citations; FL = 88.67 %) and 1.49 to participants from Group 2 (199 citations; FL = 67.93 %); the guan, P. superciliaris, 0.87 to participants from Group 1 (98 citations; LF = 100 %) and 0.85 to participants from Group 2 (114 citations; LF = 99.11 %). There was no significant difference between studied Groups regarding the use value assigned to the list of known animal species (U = 30, Z = -6302, p > 0.05), indicating that community groups have similar values for the same species. According to Medeiros and Albuquerque , the environment can bring together or distance communities in terms of similarity in actual and/or cognitive use of biological resources. Animal species highlighted by their usefulness are well distributed in forest fragments of the FLONA of Araripe, not only that, the history of local use of the studied groups is the same, which may explain the similarity in the uses given to animals in the area of study. As suggested by Medeiros , who highlighted the factors (cultural and ecological) shared by different human populations as a possible explanation for certain similarities in the use of a biological resource.
Regarding the diversity of known uses by community groups, the Common deer (M. gouazoubira) was the only species associated with most categories of established uses, five out of six: meat, used for food (237 citations); lard, leather, horn, hoof, liver and feces as medicinal resources (33 citations); leather and tail for handcraft purposes (28 citations); horn and feet, for magic-religious uses (28 citations); and horn, for other uses (5 citations). We found a high fidelity level (FL) for the use of M. gouazoubira for feeding (77.21 %). These results indicate the representative role of the Common deer (M. gouazoubira) in the local context, which added to its likely availability in the environment, infers on the local knowledge of this species, which is being passed on in a similar way between the people of the studied groups. Bonifácio et al. [84, 85] studied communities from Chapada do Araripe (Ceará, Brazil) founded that M. gouazoubira is recognized as part of the local culture, not only as a food source for survival, but as embedded element to social practice, making this remarkable animal and very popular for local people. In the Bonifácio et al.  study thirty-five respondents (100 %) stated that the reason for M. gouazoubira hunting in Araripe region in the past and/or present, was (is) the preference for its meat, which confirms that this species is one of the main huntable species of the semiarid region, which its meat is indicated as tasty and smooth for those who hunt it .The diversity of uses that M. gouazoubira can provide, especially for food and medicine, is a pattern made evident in many etnozoological studies, confirming the great cultural importance of this species as a resource in other rural communities of the neotropical zones [54, 80, 82, 83].
Some studies have shown that people tend to know and use the most abundant species around. Monroy-Vilchis et al. , in a study in Mexico with human populations of a protected area observed that the ten species most abundant in the region were the most often used as a source of animal protein. The same was registered for protected area in northeastern Brazil .
The multiplicity of uses assigned to natural resources depends on the social group under study and how each individual perceives and uses the environment that lives in . Accordingly, understand the use of animals in cultural perspective becomes a necessary step to promote the maintenance of populations of these species . So we consider that in a management of protected areas should be understood these relationships to avoid conflicts with local culture.
This is because aspects of human behavior are revealed (why use and non-use of an animal, for example) that give meaning and context to the conservation of certain species and therefore should be an aspect to be considered by managers in their management and conservation practices. This is the case of the Araripe National Forest, where the management of fauna requires an understanding of the relationships between people and animals, due to the existence of hunting as part of the local culture of the area.
Residents from the communities studied who were interviewed, recognize a large number of animal species, with a difference in the knowledge of these species according to the distance of these communities to the FLONA of Araripe, and according to gender.
The inventory-interview analysis of the sampling trace elements method and the use value calculation indicate the Common deer (M. gouazoubira) as possibly the most abundant species (common) in this Protected Area, corroborating found by Bonifácio et al. [84, 85]. M. gouazoubira is well adapted to semi-arid region and is widely distributed in this region .The forest fragments included in Forested Savannah vegetation and the transition area Rainforest/Savannah were the most used environments, both by M. gouazoubira and most of the species confirmed by evidence. Thus, actions to ensure the maintenance of the M. gouazoubira populations, and to favor the permanence of other species of wildlife negatively affected by the degradation of environments used for feeding and/or reproduction, can contribute to the strengthening of local cultural systems by environmental managers.
Conservation and wildlife management strategies go beyond the endangered species status. Through this study, it is clear that species of interest to local communities and less studied should be included or even have priority in the management of protected areas. This is the case of the M. gouazoubira species, the Common deer in the FLONA of Araripe, which has a high cultural value associated with its use versatility. However, the little knowledge we have of their populations puts this species, mistakenly, in the category of less concerning in the lists of endangered species, signaling a greater need to include additional criteria in establishing local conservation strategies.
As a priority measure for the FLONA of Araripe, to direct management efforts, we recommend species monitoring programs, especially those threatened with extinction and also those less studied to assess the short and mid-term trends of these populations in the area of study.
Knowing that the knowledge of the use of natural resources is part of a socio-ecological system that is strongly influenced by the environment, the identification of standards that regulate the relationship between people and animals can also be a conservation strategy for these species and their habitats. Thus, we recommend action plans with programs targeting residents of the National Forest of Araripe at different stages of life, to ensure the continued use of the local fauna, as well as the permanence of the species in protected areas of the Brazilian semi-arid region.
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KM Bonifacio thanks CAPES for the PhD scholarship; EMX Freire and A. Schiavetti thanks CNPq for productivity grants (Processes 309424 / 2011-9 and 304809/2013-6, respectively). Special acknowledgement to informants from communities studied (Caldas, Farias, Novo Horizonte e Banco de Areia, APA Crato/CE) which were indispensable for this research.
KM Bonifacio—CAPES (PhD scholarship); EMX Freire (Process 309424/2011-9) and A. Schiavetti (Process—304809/2013-6), CNPq productivity grants; Pró-reitoria de Pós-graduação da Universidade Federal do Rio Grande do Norte (UFRN)—financial support during field activities.
Availability of data and materials
KMB collected and analyzed the data, realized the discussion and wrote the manuscript. AE and EF, supervised the research, contributed with ideas on the study and revised the manuscript. All authors read and approved the final manuscript.
The authors declare that they have no competing interests.
Consent for publication
Ethics approval and consent to participate
Considering the ethical aspects, before each interview, the purposes of this present study were explained. The information collected had the permission of the interviewee, following the standards established by Resolution No. 196/1996 of the National Health Council and previously approved by the Research Ethics Committee (CEP) of the Federal University of Rio Grande do Norte (UFRN) (CEP/UFRN No. 227/12).