Navegando por Autor "El-Deir, Ana Carla Asfora"

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Composição da dieta de jovens de boca mole Larimus breviceps (Cuvier, 1830) (Actinopterygii: Sciaenidae) no litoral de Pernambuco
(2022-05-26) Santos, Thamires Vieira dos; El-Deir, Ana Carla Asfora; Silva, Francisco Marcante Santana da; http://lattes.cnpq.br/4286692304867555; http://lattes.cnpq.br/4822569793807941; http://lattes.cnpq.br/3895003399617232
The surf zones are important places for several species of fish, as they serve as shelter, protection and food. Knowledge the natural diet of fish allows us to infer about the availability of food, as well as reveal aspects of biology and their trophic relationships. Larimus breviceps belongs to the Sciaenidae family, being one of the most important species in artisanal fisheries. Thus, the present study aimed to know the diet of L. breviceps in the surf zone of Jaguaribe beach, north coast of Pernambuco. The collections were carried out during low tide, through beach trawls using a 20 m long, 1.5 m high and 5 mm mesh size net of the hose type between August 2020 and July 2021. The specimens collected were measured and eviscerated in the laboratory, then the stomachs were analyzed for the degree of repletion and the items identified to the smallest taxon possible. The diet was characterized based on the frequency of occurrence (FO %) between the rainy and dry months and periods. A total of 117 individuals ranged from 20,03mm-132.20mm in standard length. Of the total, 17 stomachs were empty 14.83% and 100 contained food. thirteen food items divided into 5 categories were identified (Crustacea, Teleostei, plant material, detritus and microplastic). The Crustacea category had the highest abundance with FO% 0.92 followed by Teleostei with 0.86. The same pattern was observed for the rainy season in relation to the dry season with 0.889 and 0.796 respectively. The Larimus breviceps species has a carnivorous diet composed of shrimp and fish, with a tendency to carcinophagy, where Crustacea was the most consumed category. In view of the results, it is important to study the feeding of the species L. breviceps, thus contributing to a greater knowledge, there is little information in the literature regarding the feeding of young of the species.
Distribuição da comunidade de peixes recifais em relação à complexidade estrutural bentônica da Praia do Paiva - PE
(2020-01-27) Oliveira, Túlio Bernardo Caxias de; El-Deir, Ana Carla Asfora; Ferreira Filho, Valdir Paulo; http://lattes.cnpq.br/3254150345976475; http://lattes.cnpq.br/4822569793807941; http://lattes.cnpq.br/6765254770405714
The reef environments are considered biodiversity hotspots and one of the most producing biological structures on Earth housing a large number of species of marine fish. In reefs, ichthyofauna is strongly associated with substrate complexity and abiotic characteristics, and it is essential to understand these to understand the functioning of ecosystems and ensure their conservation. In this sense, the objective of this study was to evaluate the taxocenose of recifal fish from Paiva beach, relating to the benthic environmental complexity of the environment. The collections were performed with underwater visual senses in linear transects at four sample sites on Paiva Beach, from December 2017 to November 2018. The fish were identified, classified according to conservation status to IUCN and its trophic category. As physical characteristics of the substrate, the height, depth and roughness of the substrate were measured. The analysis of the benthic composition of the substrate was made by the CPCe program from underwater photographs. Ecological descriptors (richness, abundance, diversity, horseriding and dominance) were analyzed. Spearman's correlation was obtained between abiotic and biotic parameters in the distribution of the ichthyophanistic community. A total of 2,314 individuals covering 36 species and 20 families were observed, where the Haemulidae family had the highest richness (8). Regarding The IUCN, the species Anisotremus surinamensis, Halichoeres brasiliensis and Sparissoma axilari were shown to be Deficient Data and Haemulon squamipinna and Lutjanus alexandrei as Unevaluated. The most abundant species were Stegastes fuscus (567) and Abudefduf saxatilis (427), which together comprised 43% of all species visualized. Point 3 stood out with the highest diversity of benthic composition, where all components were observed, higher mean roughness (76.8 cm) and substrate height (0.72 cm). In ecological descriptors, the diversity indices were higher in points 3 (H = 2.454) and 4 (H = 2.598) and horseriding (J = 0.7365 and J = 0.7717 respectively), and these points showed the lowest dominance indices (D =1156 and D = 0.1128 respectively). Point 3 was also the site with the highest concentration in both the number of individuals and in number of species. The substrate height had correlations with sampling points (rS=0.33), number of individuals (rS=0.3630), A. saxatilis (rS =0.3290) and A. surinamensis (rS =0.3555). Where the latter presented correlation with roughness (rS=0.2901). Stegastes fuscus was correlated with the sampling points (rS=0.312). Omnivores (568 individuals) and territorialist herbivores (567 individuals) were the most abundant trophic categories, however, feeders of moving invertebrates was the category with the highest species richness (18). In the distribution of trophic categories, points 3 and 4 stood out presenting the greatest balance. Environmental complexity has positively influenced the structure of the fish community as well as increased biodiversity. The roughness, height and composition of the substrate as well as the dominance of species, were more relevant to the description of environmental complexity. Due to the ecological and economic importance of the real environments, understanding the functioning of these ecosystems provides a basis for conservation and sustainable management.
Distribuição espaço-temporal da fauna ictioplanctônica e de Chaetognatha e sua interação no litoral norte de Pernambuco
(2020-01-27) Silva, Jade Beatriz Alves da; El-Deir, Ana Carla Asfora; http://lattes.cnpq.br/4822569793807941; http://lattes.cnpq.br/7346027083165974
The success of the early stages of life in fish influence recruitment and determines the structure of adult populations. In the larva period, these individuals are more vulnerable to predation and other factors that affect their survival and/or mortality. Chaetognathas are described as voracious predators and can feed on fish larvae, thus affecting the distribution and success of ichthyoplankton. In this context, the study aimed to analyze the spatial distribution of ichthyoplankton in the Jaguaribe River estuary and Jaguaribe beach, correlating with the occurrence of Chaetognatha. The collections were carried out in August, September, October and December 2017 in three points, these were distributed at the mouth of the Jaguaribe River, bursting Jaguaribe beach and corral. The collected individuals were fixed in situ in 4% saline formaldehyde and later screened in laboratory and stored in ethanol 70%. 88 larvae were collected, identified in three orders and six families, including: Achiridae, Engraulidae, Carangidae, Clupeidae, Gerreidae and Gobiidae. The most abundant family was Engraulidae, being present in all months and points sampled. The surf zone was the site with the highest abundance of larvae. 574 Chaetognathas were collected and identified in one order, two families and three species. These were present in all sampled points, however, they presented greater abundance in the corral region. A total of 5305 eggs were collected, of these 4161, they were eggs of Engraulidae. The month of September presented the highest abundance of eggs, with 78.4% of the total collected. When comparing the distribution of ichthyoplankton and Chaetognathas, an overlap was observed in the occurrence of these. The spatial distribution of ichthyoplankton is highly influenced by the occurrence of Chaetognathas, since these are large predators. With a decline in the abundance of Chaetognathas there is an increase in ichthyoplankton, proving the existence of an inversely proportional relationship.
Memorial descritivo analítico
(Universidade Federal Rural de Pernambuco, 2023-06) El-Deir, Ana Carla Asfora; http://lattes.cnpq.br/4822569793807941
O presente Memorial Descritivo tem o propósito de apresentar as Atividades de Pesquisa, Ensino, Extensão e Administrativas que eu desenvolvi, como docente desta Instituição de Ensino superior (UFRPE), com o intuito de obter a promoção da Classe D (Professor Associado IV) para Classe E (Professor Titular) do Magistério Superior. Este Memorial está de acordo com a Instrução Normativa nº 086/2014-GR e com a Resolução 120/2018 CONSU/UFRPE e a cada atividade mencionada, segue-se a documentação comprobatória com a indicação numérica correspondente. Sou recifence, nordestina com muito orgulho, bióloga e apaixonada pela natureza. Durante toda a minha trajetória passei por vários “perrengues” e desafios, os quais me fizeram amadurecer, e a constituir a minha personalidade e a professora que sou hoje. Nada caiu do céu, mas aprendi com meus pais a perseverar e lutar pelos meus objetivos. Minha mãe foi um exemplo de ser humano, que sempre transbordava muito amor, e meu pai, um refugiado palestino que caiu e levantou várias vezes, lutando sempre por uma vida digna. Além dos meus pais, várias pessoas fizeram parte do meu crescimento pessoal e profissional, como meus irmãos e vários colegas que se tornaram grandes amigos. Este memorial está dividido em capítulos da minha vida profissional e pessoal e a minha trajetória até o presente. Tudo será enfocado em três capítulos: Capitulo 1 – Da infância até a graduação em Ciências Biológicas e o aperfeiçoamento na UFRPE, Capitulo 2 – Do mestrado ao doutorado e a carreira de professora substituta da UFRPE, e Capitulo 3 – De professora Adjunta da UFRPE até o presente. Nos capítulos estão inseridas as atividades de ensino, pesquisa e extensão com os respectivos comprovantes. Alguns momentos que foram fundamentais serão citados, porém não puderam ser comprovados através de documentos.
Variação espaço-temporal na estrutura de tamanho de jovens de agulhinha-branca, Hyporhamphus unifasciatus (RanzanI, 1841) em Itamaracá - PE
(2021-12-17) Barros, Ilana Amaral de; El-Deir, Ana Carla Asfora; Silva, Francisco Marcante Santana da; http://lattes.cnpq.br/4286692304867555; http://lattes.cnpq.br/4822569793807941; http://lattes.cnpq.br/3609235735445666
Several species use estuarine environments for their protection, feeding, and reproduction. However, these areas are more susceptible to several human impacts. Hyporhamphus unifasciatus uses these environments, and due to the large fish landing in the last 20 years at Pernambuco state the species has potentially been impacted by human action. Thus, this study aimed to evaluate the spatio-temporal variation of the size and weight structure of young H. unifasciatus individuals through the standard length (SL) and total weight (TW) variation between three periods and by diferentes sample location. Sampling was carried out in replicates at two points (estuary and surf zone) for 12 months between the periods 2001-2002 (year 1), 2018-2019 (year 2), and 2020-2021 (year 3). The specimens, the SL and TW measurements were taken, and the specimens are deposited in the UFRPE's Ichthyology Collection. From these measurements, the frequency, weight-length relationship, and condition factor for the species population were calculated. Altogether, 436 individuals of the species were obtained, being 147 in year 1, 134 in year 2, and 155 in year 3. From these data, I did observe differences between the SL and TW between the estuary and surf zone for two of the three periods. Through the weight-length relationship, positive allometry did also observed for the three periods analyzed and, finally, significant differences were found between the growth pattern between the periods. These results indicate that through the analyzed population parameters, apparently is not overfished, however, this definition depends on more research being carried out in the area to obtain the status of the fish stock of this species.