Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.61276
C. X. Barroso, J. E. P. Freitas, Paula Spotorno, F. Tâmega, Wilson Franklin Júnior, H. Matthews-Cascon
Despite the increasing focus on biodiversity of mesophotic coral ecosystems (MCEs) on a global scale, some biological groups, such as molluscs, are still poorly investigated. The taxonomic diversity of the molluscan fauna of a scarcely known MCE of the Western Equatorial Atlantic, Northeastern Brazil, was surveyed. Samples were collected along the shallower strata of the upper mesophotic zone (between 33-36 m depth). Twenty-one taxa (nine species of gastropods, ten species of bivalves, and two taxa of chitons) were listed, two of which (Novastoa sp. and Thylaeodus sp.) are potential endemic species. A new northern limit of distribution of Persicula moscatellii was established and seven species had new bathymetric records for living specimens (Barbatia domingensis, Barbatia cancellaria, Lamychaena hians, Leiosolenus bisulcatus, Pinctada imbricata, Hipponix incurvus, and Persicula moscatellii). Hipponix costellatus are the most representative species with 49 individuals, followed by Lima caribaea with six individuals. The present work is the first contribution to the knowledge of the molluscan fauna associated with consolidated substrates from this little-known MCE. Keywords: mesophotic coral ecosystems, tropical reef, molluscan diversity, Brazilian Province, conventional SCUBA.
{"title":"MOLLUSCS FROM THE UPPER MESOPHOTIC ZONE IN A SCARCELY KNOWN REEF OF THE WESTERN EQUATORIAL ATLANTIC","authors":"C. X. Barroso, J. E. P. Freitas, Paula Spotorno, F. Tâmega, Wilson Franklin Júnior, H. Matthews-Cascon","doi":"10.32360/acmar.v54i2.61276","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.61276","url":null,"abstract":"Despite the increasing focus on biodiversity of mesophotic coral ecosystems (MCEs) on a global scale, some biological groups, such as molluscs, are still poorly investigated. The taxonomic diversity of the molluscan fauna of a scarcely known MCE of the Western Equatorial Atlantic, Northeastern Brazil, was surveyed. Samples were collected along the shallower strata of the upper mesophotic zone (between 33-36 m depth). Twenty-one taxa (nine species of gastropods, ten species of bivalves, and two taxa of chitons) were listed, two of which (Novastoa sp. and Thylaeodus sp.) are potential endemic species. A new northern limit of distribution of Persicula moscatellii was established and seven species had new bathymetric records for living specimens (Barbatia domingensis, Barbatia cancellaria, Lamychaena hians, Leiosolenus bisulcatus, Pinctada imbricata, Hipponix incurvus, and Persicula moscatellii). Hipponix costellatus are the most representative species with 49 individuals, followed by Lima caribaea with six individuals. The present work is the first contribution to the knowledge of the molluscan fauna associated with consolidated substrates from this little-known MCE. \u0000Keywords: mesophotic coral ecosystems, tropical reef, molluscan diversity, Brazilian Province, conventional SCUBA.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123255962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.70469
F. Alves-Júnior, D. Lucatelli, Jonata Arruda Francisco, Gledson Fabiano de Araújo Ferreira, Jesser Fidelis de Souza-Filho
In this paper, we describe the first association of the ostreid species Ostrea puelchana d’Orbigny, 1842, as new epibiont in Eriphia gonagra (Fabricius, 1781), with material collected in Northeastern Brazil. The specimens of E. gonagra were collected manually in November of 2020 during the low tide in the Barra de Catuama beach, State of Pernambuco. Among 10 specimens collected, only one adult male showed the presence of two commensal specimens of O. puelchana adhered in the epibranchial and antero-lateral regions of the basibiont (right side). The presence of the epibiont O. puelchana on the new host E. gonagra expands the range of the crustacean species potentially used as hosts by this oyster along the Brazilian coast. Keywords: marine invertebrates, biological interactions, Pernambuco, commensalism, beachrocks.
本文描述了Ostrea puelchana d 'Orbigny, 1842年作为新表观生物首次与巴西东北部采集的材料联系在一起。gonagra E.的标本是在2020年11月伯南布哥州Barra de Catuama海滩退潮期间人工采集的。在采集到的10个标本中，只有1只雄成虫在基生体的鳃外和前外侧区域(右侧)发现了2个共生的棘球棘虫标本。表皮生物O. puelchana在新寄主E. gonagra上的存在扩大了巴西沿海这种牡蛎可能用作寄主的甲壳类物种的范围。关键词:海洋无脊椎动物，生物相互作用，伯南布哥，共生，滩岩
{"title":"RECORD OF Ostrea puelchana D’ORBIGNY, 1842 (BIVALVIA: OSTREIDAE), AS NEW EPIBIONT IN Eriphia gonagra (FABRICIUS, 1781) (CRUSTACEA: ERIPHIIDAE) FROM NORTHEASTERN BRAZIL","authors":"F. Alves-Júnior, D. Lucatelli, Jonata Arruda Francisco, Gledson Fabiano de Araújo Ferreira, Jesser Fidelis de Souza-Filho","doi":"10.32360/acmar.v54i2.70469","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.70469","url":null,"abstract":"In this paper, we describe the first association of the ostreid species Ostrea puelchana d’Orbigny, 1842, as new epibiont in Eriphia gonagra (Fabricius, 1781), with material collected in Northeastern Brazil. The specimens of E. gonagra were collected manually in November of 2020 during the low tide in the Barra de Catuama beach, State of Pernambuco. Among 10 specimens collected, only one adult male showed the presence of two commensal specimens of O. puelchana adhered in the epibranchial and antero-lateral regions of the basibiont (right side). The presence of the epibiont O. puelchana on the new host E. gonagra expands the range of the crustacean species potentially used as hosts by this oyster along the Brazilian coast. \u0000Keywords: marine invertebrates, biological interactions, Pernambuco, commensalism, beachrocks.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131253241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.62441
C. X. Barroso, C. Rocha-Barreira, H. Matthews-Cascon
The basic information obtained from scientific collections help us to understanding of Earth’s diverse biota and its biological processes. The Malacological Collection Prof. Henry Ramos Matthews (CMPHRM) of the Universidade Federal do Ceará (UFC), Brazil, is a reference about the biodiversity, mainly marine, of northeastern Brazil. In this collection, the gastropod molluscs of the family Neritidae were among the most representative in number of lots. Since an accurate geographical distribution knowledge is one of the fundamental factors to the study of biodiversity, the present study aimed to describe the composition and spatially analyse the neritids deposited in the CMPHRM/UFC. There is a total of 314 lots of the Neritidae deposited at CMPHRM, belonging to eight species (Nerita chamaeleon, Nerita chlorostoma, Nerita fulgurans, Nerita tessellata, Neritina virginea, Neritina meleagris, Neritina zebra, and Smaragdia viridis). The Malacological Collection Prof. Henry Ramos Matthews of the Universidade Federal do Ceará has representatives of all species of Neritidae recorded in the Brazilian Province, which are important for confirming previous records or establishing new occurrence records. Keywords: Neritina, Nerita, Smaragdia, Brazilian Province
{"title":"NERITIDAE (GASTROPODA, NERITIMORPHA) FROM THE MALACOLOGICAL COLLECTION PROF. HENRY RAMOS MATTHEWS OF THE UNIVERSIDADE FEDERAL DO CEARÁ, BRAZIL","authors":"C. X. Barroso, C. Rocha-Barreira, H. Matthews-Cascon","doi":"10.32360/acmar.v54i2.62441","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.62441","url":null,"abstract":"The basic information obtained from scientific collections help us to understanding of Earth’s diverse biota and its biological processes. The Malacological Collection Prof. Henry Ramos Matthews (CMPHRM) of the Universidade Federal do Ceará (UFC), Brazil, is a reference about the biodiversity, mainly marine, of northeastern Brazil. In this collection, the gastropod molluscs of the family Neritidae were among the most representative in number of lots. Since an accurate geographical distribution knowledge is one of the fundamental factors to the study of biodiversity, the present study aimed to describe the composition and spatially analyse the neritids deposited in the CMPHRM/UFC. There is a total of 314 lots of the Neritidae deposited at CMPHRM, belonging to eight species (Nerita chamaeleon, Nerita chlorostoma, Nerita fulgurans, Nerita tessellata, Neritina virginea, Neritina meleagris, Neritina zebra, and Smaragdia viridis). The Malacological Collection Prof. Henry Ramos Matthews of the Universidade Federal do Ceará has representatives of all species of Neritidae recorded in the Brazilian Province, which are important for confirming previous records or establishing new occurrence records. \u0000Keywords: Neritina, Nerita, Smaragdia, Brazilian Province","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126529359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.60083
B. Possamai, O. R. Cardoso, B. Maichak de Carvalho, Henry Louis Spach
This study reports the importance to evaluate the length-weight relationships (LWR) across the years. We evaluate the LWR for 8 Sciaenidae species of Paranaguá Estuarine Complex, South Brazil, sampled between 2016 and 2018 by bottom trawls similar to the used by artisanal fisheries in this region. There were differences between growth type among the years for 5 species, and all species showed differences in the slope of LWR in at least one year. These results show the importance of fauna and fisheries monitoring programs to better evaluate the population dynamics and fisheries stocks. Keywords: estuarine fish, fisheries biology, marine fish, sciaenid, weight-length relationship
{"title":"TEMPORAL CHANGES IN LENGTH-WEIGHT RELATIONSHIPS OF SCIAENIDAE (PISCES: TELEOSTEI) SPECIES IN SOUTH BRAZIL","authors":"B. Possamai, O. R. Cardoso, B. Maichak de Carvalho, Henry Louis Spach","doi":"10.32360/acmar.v54i2.60083","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.60083","url":null,"abstract":"This study reports the importance to evaluate the length-weight relationships (LWR) across the years. We evaluate the LWR for 8 Sciaenidae species of Paranaguá Estuarine Complex, South Brazil, sampled between 2016 and 2018 by bottom trawls similar to the used by artisanal fisheries in this region. There were differences between growth type among the years for 5 species, and all species showed differences in the slope of LWR in at least one year. These results show the importance of fauna and fisheries monitoring programs to better evaluate the population dynamics and fisheries stocks. \u0000Keywords: estuarine fish, fisheries biology, marine fish, sciaenid, weight-length relationship","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128295187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.62788
Rodrigo Pinheiro Crasto Amaral, Eloá Dandara Carvalho da Silva, Paulo Roberto Campagnoli de Oliveira Filho
O objetivo do presente estudo foi obter e caracterizar o concentrado proteico de resíduos de filetagem de saramunete, Pseudupeneus maculatus. Foram desenvolvidos dois tipos de concentrado proteicos (CPS), o tipo A e o tipo B, e avaliados o rendimento, pH, atividade de água, cor, bases nitrogenadas voláteis, umidade, proteína, gordura e cinzas. O CPS tipo A apresentou menor rendimento, apesar de ser mais ácido (menor pH) e possuir coloração mais clara (maior valor de L*), menos vermelha (menor valor de a*) e mais amarela (maior valor de b*) que o CPS tipo B. A atividade de água, porcentagem de umidade e bases nitrogenadas voláteis dos CPS foram baixas e sem diferença entre tratamentos. O CPS tipo A apresentou maior porcentagem de proteína e menor de cinzas, indicando melhor qualidade proteica. Além disso, apresentou menor quantidade de lipídeos, sendo, possivelmente menos susceptível a oxidação lipídica. Portanto, o CPS tipo A é uma boa forma de agregar valor aos resíduos de saramunete devido o produto apresentar bom rendimento, características físico-químicas adequadas e aspectos nutricionais compatíveis com outros concentrados proteicos de pescado.
{"title":"OBTENÇÃO E CARACTERIZAÇÃO FÍSICO-QUÍMICA E NUTRICIONAL DE CONCENTRADO PROTEICO DE RESÍDUOS DE FILETAGEM DE SARAMUNETE (Pseudupeneus maculatus - BLOCH, 1793)","authors":"Rodrigo Pinheiro Crasto Amaral, Eloá Dandara Carvalho da Silva, Paulo Roberto Campagnoli de Oliveira Filho","doi":"10.32360/acmar.v54i2.62788","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.62788","url":null,"abstract":"O objetivo do presente estudo foi obter e caracterizar o concentrado proteico de resíduos de filetagem de saramunete, Pseudupeneus maculatus. Foram desenvolvidos dois tipos de concentrado proteicos (CPS), o tipo A e o tipo B, e avaliados o rendimento, pH, atividade de água, cor, bases nitrogenadas voláteis, umidade, proteína, gordura e cinzas. O CPS tipo A apresentou menor rendimento, apesar de ser mais ácido (menor pH) e possuir coloração mais clara (maior valor de L*), menos vermelha (menor valor de a*) e mais amarela (maior valor de b*) que o CPS tipo B. A atividade de água, porcentagem de umidade e bases nitrogenadas voláteis dos CPS foram baixas e sem diferença entre tratamentos. O CPS tipo A apresentou maior porcentagem de proteína e menor de cinzas, indicando melhor qualidade proteica. Além disso, apresentou menor quantidade de lipídeos, sendo, possivelmente menos susceptível a oxidação lipídica. Portanto, o CPS tipo A é uma boa forma de agregar valor aos resíduos de saramunete devido o produto apresentar bom rendimento, características físico-químicas adequadas e aspectos nutricionais compatíveis com outros concentrados proteicos de pescado.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116864072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.42636
Ellen DellAgnolo, Márcio Da Silva Tamanaha, Charrid Resgalla Junior
The main transport vector for exotic-invasive species around the world is ballast water in merchant ships, crossing natural biogeographic barriers. This is one of the main factors responsible for the reduction and homogenization of the global biota. As phytoplankton is the main group transported by these vessels, this study assesses the risk of bioinvasion in the port complex of Itajaí and Navegantes (southern Brazil), using a polyphasic approach, mixing classical taxonomy with molecular biology. Ballast water collections were carried out to analyze the traditional taxonomy and for clonal cultivation in the laboratory. A successful cultivation of 12 local strains and 10-ballast water was successful. In the latter case, some fresh water, contrary to the statement by the commanders of the exchange of water in the deep ocean (> 200 m). Molecular identification was performed by sequencing the complete ITS region, confirming the presence of Thalassiosira minuscula Krasske, 1941, harmful and of public health interest, previously not mentioned for the region. The species Pleurosigma W. Smith, 1852; Asterionellopsis glacialis (Castracane) Round, 1990; Trieres mobiliensis (Bailey) Ashworth and E.C. Theriot, 2013; Thalassiosira minima Gaarder, 1951; Skeletonema pseudocostatum Medlin, 1991; Pectinodesmus holtmannii E. Hegewald, C. Bock and Krienitz, 2013; Neodesmus Hindák, 1976; and Pseudopediastrum boryanum (Turpin) E. Hegewald, 2005, were identified. The results indicate the possibility of growth of the species found in the ballast environment, which may negatively alter the disposal environment. Keywords: exotic species, molecular identification, marine phytoplankton, port complex of Itajaí and Navegantes.
外来入侵物种在世界范围内的主要运输媒介是商船的压载水，跨越自然的生物地理屏障。这是造成全球生物群减少和同质化的主要因素之一。由于浮游植物是这些船只运输的主要类群，本研究采用多相方法，将经典分类学与分子生物学相结合，评估了Itajaí和Navegantes(巴西南部)港口群的生物入侵风险。收集压载水进行传统分类分析和实验室无性系培养。12个当地菌株和10个压载水成功培养。在后一种情况下，是一些淡水，这与指挥官在深海(> 200米)交换水的说法相反。通过对整个ITS区域进行测序进行了分子鉴定，确认了1941年存在的微小克拉斯克Thalassiosira，这是一种有害的公共卫生利益，以前没有提到该区域。种Pleurosigma W. Smith, 1852;1990年的《冰川Asterionellopsis (castrane) Round》;《移动指南》(贝利)阿什沃思和E.C. Theriot, 2013;Thalassiosira minima Gaarder, 1951;假肋骨骨髓瘤，医科大学，1991;Pectinodesmus holtmannii E. Hegewald, C. Bock and Krienitz, 2013;Neodesmus Hindák, 1976;和Pseudopediastrum boryanum (Turpin) E. Hegewald, 2005。结果表明，在压载环境中发现的物种可能生长，这可能会对处置环境产生负面影响。关键词:外来物种，分子鉴定，海洋浮游植物，Itajaí和Navegantes港口复合物。
{"title":"BALLAST WATER: A POLYPHASIC APPROACH IN THE EVALUATION OF POTENTIAL PHYTOPLANKTONIC BIOINVASION","authors":"Ellen DellAgnolo, Márcio Da Silva Tamanaha, Charrid Resgalla Junior","doi":"10.32360/acmar.v54i2.42636","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.42636","url":null,"abstract":"The main transport vector for exotic-invasive species around the world is ballast water in merchant ships, crossing natural biogeographic barriers. This is one of the main factors responsible for the reduction and homogenization of the global biota. As phytoplankton is the main group transported by these vessels, this study assesses the risk of bioinvasion in the port complex of Itajaí and Navegantes (southern Brazil), using a polyphasic approach, mixing classical taxonomy with molecular biology. Ballast water collections were carried out to analyze the traditional taxonomy and for clonal cultivation in the laboratory. A successful cultivation of 12 local strains and 10-ballast water was successful. In the latter case, some fresh water, contrary to the statement by the commanders of the exchange of water in the deep ocean (> 200 m). Molecular identification was performed by sequencing the complete ITS region, confirming the presence of Thalassiosira minuscula Krasske, 1941, harmful and of public health interest, previously not mentioned for the region. The species Pleurosigma W. Smith, 1852; Asterionellopsis glacialis (Castracane) Round, 1990; Trieres mobiliensis (Bailey) Ashworth and E.C. Theriot, 2013; Thalassiosira minima Gaarder, 1951; Skeletonema pseudocostatum Medlin, 1991; Pectinodesmus holtmannii E. Hegewald, C. Bock and Krienitz, 2013; Neodesmus Hindák, 1976; and Pseudopediastrum boryanum (Turpin) E. Hegewald, 2005, were identified. The results indicate the possibility of growth of the species found in the ballast environment, which may negatively alter the disposal environment. \u0000Keywords: exotic species, molecular identification, marine phytoplankton, port complex of Itajaí and Navegantes.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125816398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.61440
P. Carneiro, Antônio Rodrigues Ximenes Neto, C. Feitosa, C. X. Barroso, H. Matthews-Cascon, Marcelo de Oliveira Soares, T. Lotufo
This paper is a literature review on marine hardbottom environments (MHE) that emerge in coastal regions in the Brazilian state of Ceará. This stretch of the Brazilian coast houses several rock formations, which are widely distributed in the intertidal zone. These formations have various origins and composition, ranging from crystalline rocks to biogenic structures, but most are composed by sandstones. These substrates support biodiverse ecosystems that produce valuable environmental goods and services, which have historical and socioeconomic relevance for the state. Despite their importance, they are currently threatened by various types of local and global stressors, and a consistent government effort to protect them is still lacking. There are many knowledge gaps regarding these formations and new studies are needed to support conservation actions involving these ecosystems. Keywords: reef, beachrock, sandstone, intertidal zone, benthos
{"title":"MARINE HARDBOTTOM ENVIRONMENTS IN THE BEACHES OF CEARÁ STATE, EQUATORIAL COAST OF BRAZIL","authors":"P. Carneiro, Antônio Rodrigues Ximenes Neto, C. Feitosa, C. X. Barroso, H. Matthews-Cascon, Marcelo de Oliveira Soares, T. Lotufo","doi":"10.32360/acmar.v54i2.61440","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.61440","url":null,"abstract":"This paper is a literature review on marine hardbottom environments (MHE) that emerge in coastal regions in the Brazilian state of Ceará. This stretch of the Brazilian coast houses several rock formations, which are widely distributed in the intertidal zone. These formations have various origins and composition, ranging from crystalline rocks to biogenic structures, but most are composed by sandstones. These substrates support biodiverse ecosystems that produce valuable environmental goods and services, which have historical and socioeconomic relevance for the state. Despite their importance, they are currently threatened by various types of local and global stressors, and a consistent government effort to protect them is still lacking. There are many knowledge gaps regarding these formations and new studies are needed to support conservation actions involving these ecosystems. \u0000Keywords: reef, beachrock, sandstone, intertidal zone, benthos","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131694782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-12-20DOI: 10.32360/acmar.v54i2.43201
Ricardo Camurça Correia Pinto, Alberto Jorge Pinto Nunes
This study evaluated the growth of fat snook Centropomus parallelus in response to the dietary total lipids, gross energy (GE) and crude protein (CP) content. In the 1st experiment, five isonitrogenous diets with 541.7 ± 2.4 g kg-1 CP varied their lipid content in 113, 151, 160, 189 and 200 g kg-1 and GE in 18.8, 19.4, 20.4, 21.2 and 22.2 MJ kg-1, respectively. A total of 300 fish with 6.5 ± 2.4 g were stocked in 30 tanks of 1 m3 under 10 fish m-³ and reared for 96 days. There were no differences in fish final body weight (38.2 ± 12.5 g), daily weight gain (DWG, 0.35 ± 0.04 g day-1) and specific growth rate (SGR, 1.92 ± 0.11 day-1) among dietary treatments. Feed conversion ratio (FCR) was 1.76 ± 0.17 with a protein efficiency ratio of 1.06 ± 0.10. The viscerosomatic (VSI) and visceral fat indices (VFI) raised significantly with an increase in the dietary lipid while the hepatosomatic index (HSI) was unaffected. There was a significant reduction in feed intake as the dietary lipid content reached 189 g kg-1. In a 2nd study, five isolipidic diets (114.4 ± 1.9 g kg-1 lipids) with decreasing levels of CP and GE of 578, 535, 505, 465, and 430 g kg-1 and 20.5, 19.9, 19.4, 18.9, and 18.1 MJ kg-1, respectively, were evaluated. A total of 1,450 fish of 5.8 ± 2.1 g were reared in 30 tanks of 5.8 m³ under 10 fish m-3 for 93 days. Final survival reached 93.5 ± 5.5%. Fish DWG (0.27 ± 0.05 g day-1) and SGR (1.78 ± 0.11 % day-1) did not vary in response to dietary CP. Final body weight significantly reduced while HSI increased in fish fed the 430 g kg-1CP diet compared with fish fed the 578 g kg-1 CP diet. Results of this work indicated that fish between 5.8 g and 40.8 g wet body weight can maximize growth when fed diets containing 113.2 g kg-1 lipids, 540.5 g kg-1 CP and a 34.7 MJ kg-1 energy to protein ratio. Keywords: Centropomus parallelus, fat snook, protein, lipid, energy.
本试验研究了平行对虾(Centropomus parallelus)生长对饲料总脂、总能(GE)和粗蛋白质(CP)含量的响应。在第1个试验中，5种等氮饲粮(541.7±2.4 g kg-1)的脂肪含量分别为113、151、160、189和200 g kg-1, GE含量分别为18.8、19.4、20.4、21.2和22.2 MJ kg-1。在10鱼m-³以下1 m3的30个水族箱中放养300尾鱼，共6.5±2.4 g，饲养96 d。不同饲粮处理的鱼末重(38.2±12.5 g)、日增重(DWG, 0.35±0.04 g d -1)和特定生长率(SGR, 1.92±0.11 d -1)无显著差异。饲料系数(FCR)为1.76±0.17，蛋白质效率为1.06±0.10。内脏体指数(VSI)和内脏脂肪指数(VFI)随饲料脂肪含量的增加而显著升高，而肝体指数(HSI)不受影响。饲粮脂肪含量达到189 g kg-1时，采食量显著降低。在第二项研究中，研究了5种等脂饮食(114.4±1.9 g kg-1)，分别降低了578、535、505、465和430 g kg-1的CP和GE水平，以及20.5、19.9、19.4、18.9和18.1 MJ kg-1。在30个5.8 m³、10 m-3的鱼缸中饲养1450尾鱼，共5.8±2.1 g，共93天。最终生存率为93.5±5.5%。饲料CP对鱼的DWG(0.27±0.05 g d -1)和SGR(1.78±0.11% d -1)无显著影响。与578 g kg-1CP饲料相比，饲喂430 g kg-1CP饲料的鱼最终体重显著降低，HSI显著增加。结果表明，当饲料中脂肪含量为113.2 g kg-1、CP含量为540.5 g kg-1、能蛋白比为34.7 MJ kg-1时，湿重为5.8 g ~ 40.8 g的鱼的生长达到最大。关键词:平行对虾，脂肪，蛋白质，脂肪，能量。
{"title":"GROWTH OF JUVENILES OF THE FAT SNOOK, Centropomus parallelus, IN RESPONSE TO DIETARY LIPID, ENERGY AND PROTEIN","authors":"Ricardo Camurça Correia Pinto, Alberto Jorge Pinto Nunes","doi":"10.32360/acmar.v54i2.43201","DOIUrl":"https://doi.org/10.32360/acmar.v54i2.43201","url":null,"abstract":"This study evaluated the growth of fat snook Centropomus parallelus in response to the dietary total lipids, gross energy (GE) and crude protein (CP) content. In the 1st experiment, five isonitrogenous diets with 541.7 ± 2.4 g kg-1 CP varied their lipid content in 113, 151, 160, 189 and 200 g kg-1 and GE in 18.8, 19.4, 20.4, 21.2 and 22.2 MJ kg-1, respectively. A total of 300 fish with 6.5 ± 2.4 g were stocked in 30 tanks of 1 m3 under 10 fish m-³ and reared for 96 days. There were no differences in fish final body weight (38.2 ± 12.5 g), daily weight gain (DWG, 0.35 ± 0.04 g day-1) and specific growth rate (SGR, 1.92 ± 0.11 day-1) among dietary treatments. Feed conversion ratio (FCR) was 1.76 ± 0.17 with a protein efficiency ratio of 1.06 ± 0.10. The viscerosomatic (VSI) and visceral fat indices (VFI) raised significantly with an increase in the dietary lipid while the hepatosomatic index (HSI) was unaffected. There was a significant reduction in feed intake as the dietary lipid content reached 189 g kg-1. In a 2nd study, five isolipidic diets (114.4 ± 1.9 g kg-1 lipids) with decreasing levels of CP and GE of 578, 535, 505, 465, and 430 g kg-1 and 20.5, 19.9, 19.4, 18.9, and 18.1 MJ kg-1, respectively, were evaluated. A total of 1,450 fish of 5.8 ± 2.1 g were reared in 30 tanks of 5.8 m³ under 10 fish m-3 for 93 days. Final survival reached 93.5 ± 5.5%. Fish DWG (0.27 ± 0.05 g day-1) and SGR (1.78 ± 0.11 % day-1) did not vary in response to dietary CP. Final body weight significantly reduced while HSI increased in fish fed the 430 g kg-1CP diet compared with fish fed the 578 g kg-1 CP diet. Results of this work indicated that fish between 5.8 g and 40.8 g wet body weight can maximize growth when fed diets containing 113.2 g kg-1 lipids, 540.5 g kg-1 CP and a 34.7 MJ kg-1 energy to protein ratio. \u0000Keywords: Centropomus parallelus, fat snook, protein, lipid, energy.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123103755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-01-20DOI: 10.32360/ACMAR.V53IESPECIAL.42659
Samuel Rodrigues Ribeiro, R. Valadão
As ilhas assumem expressivo destaque na paisagem estuarina paraense; contudo, a maior parte delas apresenta gênese não claramente definida. A fim de investigar os fatores de formação da ilha Rasa, situada na foz do rio Tocantins, estuário do rio Pará, o presente trabalho se apoia em feições sedimentares identificadas em um testemunho de sedimento coletado no interior da ilha. Neste trabalho, a integração faciológica e a interpretação de seus ambientes deposicionais, em associação aos eventos climáticos reportados para a região, subsidiaram a proposição de modelo morfogenético. O modelo aqui proposto sugere que a ilha Rasa possui idade tardio-holocênica e consistia, incialmente, de barras arenosasque evoluíram sob o efeito de processos fluviais, inerentes à rede de drenagem e marinhos, articulados às mudanças no clima e nível do mar. Esses processos afetaram o suprimento de sedimento e a distribuição da cobertura vegetal, influenciando a configuração do setor estuarino e contribuindo para a formação de ilhas proximais. Palavras-chave: barra arenosa, estuário, nível relativo do mar, ambiente sedimentar, rioTocantins.
{"title":"PROCESSOS FLUVIOMARINHOS ASSOCIADOS À FORMAÇÃO DA ILHA RASA, SUL DA BAÍA DE MARAPATÁ, NORDESTE DO PARÁ, BRASIL","authors":"Samuel Rodrigues Ribeiro, R. Valadão","doi":"10.32360/ACMAR.V53IESPECIAL.42659","DOIUrl":"https://doi.org/10.32360/ACMAR.V53IESPECIAL.42659","url":null,"abstract":"As ilhas assumem expressivo destaque na paisagem estuarina paraense; contudo, a maior parte delas apresenta gênese não claramente definida. A fim de investigar os fatores de formação da ilha Rasa, situada na foz do rio Tocantins, estuário do rio Pará, o presente trabalho se apoia em feições sedimentares identificadas em um testemunho de sedimento coletado no interior da ilha. Neste trabalho, a integração faciológica e a interpretação de seus ambientes deposicionais, em associação aos eventos climáticos reportados para a região, subsidiaram a proposição de modelo morfogenético. O modelo aqui proposto sugere que a ilha Rasa possui idade tardio-holocênica e consistia, incialmente, de barras arenosasque evoluíram sob o efeito de processos fluviais, inerentes à rede de drenagem e marinhos, articulados às mudanças no clima e nível do mar. Esses processos afetaram o suprimento de sedimento e a distribuição da cobertura vegetal, influenciando a configuração do setor estuarino e contribuindo para a formação de ilhas proximais. \u0000Palavras-chave: barra arenosa, estuário, nível relativo do mar, ambiente sedimentar, rioTocantins.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123040295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-03-11DOI: 10.32360/acmar.v52i2.42393
B. Lopes, Ellano José da Silva, I. Martins
The present note reports, for the first time, species of Polyplacophora found as inquilines in the gastropod Tubinella laevigata as well as documenting the same relationship with other species of mollusks in the Brazilian coast.Keywords: Tubinella laevigata, inquilinism, Polyplacophora.
{"title":"“LOOKING FOR A HOME”: THE ECOLOGICAL ASSOCIATION BETWEEN THE CHITONS Ischnochiton striolatus (GRAY, 1828) AND OTHER MOLLUSCS SPECIES","authors":"B. Lopes, Ellano José da Silva, I. Martins","doi":"10.32360/acmar.v52i2.42393","DOIUrl":"https://doi.org/10.32360/acmar.v52i2.42393","url":null,"abstract":"The present note reports, for the first time, species of Polyplacophora found as inquilines in the gastropod Tubinella laevigata as well as documenting the same relationship with other species of mollusks in the Brazilian coast.Keywords: Tubinella laevigata, inquilinism, Polyplacophora.","PeriodicalId":410099,"journal":{"name":"Arquivos de Ciências do Mar","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128373874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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