Lundiana: International Journal of Biodiversity最新文献_第2页

Aspectos anatômicos do sistema genital masculino da cuíca Philander opossum (Linnaeus, 1758) Didelphidae – Marsupialia 负鼠(Linnaeus, 1758)双翅目-有袋动物雄性生殖系统的解剖学特征

Lundiana: International Journal of Biodiversity Pub Date : 2020-06-01 DOI: 10.35699/2675-5327.1982.21663

M. D. G. Ribeiro, J. C. Nogueira

{"title":"Aspectos anatômicos do sistema genital masculino da cuíca Philander opossum (Linnaeus, 1758) Didelphidae – Marsupialia","authors":"M. D. G. Ribeiro, J. C. Nogueira","doi":"10.35699/2675-5327.1982.21663","DOIUrl":"https://doi.org/10.35699/2675-5327.1982.21663","url":null,"abstract":"O sistema genital masculino do Philander opossum apresenta-se constituído pelos testículos e epidídimos (envoltos pela pigmentada lâmina parietal de túnica vaginal), ligados pelos pedículos testículo-epididimários e contidos num penduloso escroto, piloso e pré-penial. O funículo espermático possui um complexo arranjo vascular e desenvolvido músculo cremaster. Os ductos deferentes apresentam três porções: epididimária, funicular e abdominal, esta última não possuindo ampola e desembocando na porção cranial da uretra prostática. A próstata e disseminada na mucosa uretral e dividida em segmentos cranial, medio e caudal, seguindo-se uma longa uretra membranosa que recebe, caudalmente, os ductos dos três pares de glândulas bulbo-uretrais, estas se relacionando com os músculos isquiocavernosos e bulbo-esponjosos. O pênis é desenvolvido e apresenta acentuada flexura sigmoide ao nivel do corpo, em cuja curvatura dorsal se inserem OS musculos retratores. A glande e bífida e possui dois sulcos uretrais, que seguem medialmente em cada extremidade livre, terminando ventro-lateralmente, antes do ápice. O pênis é parcialmente envolvido pelo prepúcio e exposto através da bolsa cloacal.","PeriodicalId":445542,"journal":{"name":"Lundiana: International Journal of Biodiversity","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128663010","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}

引用次数: 0

The gall inducing insect community on Baccharis concinna (Asteraceae): the role of shoot growth rates and seasonal variations 产瘿昆虫群落:芽部生长速率和季节变化的作用

Lundiana: International Journal of Biodiversity Pub Date : 2016-02-01 DOI: 10.35699/2675-5327.2016.23851

E. S. Marques, G. Fernandes

{"title":"The gall inducing insect community on Baccharis concinna (Asteraceae): the role of shoot growth rates and seasonal variations","authors":"E. S. Marques, G. Fernandes","doi":"10.35699/2675-5327.2016.23851","DOIUrl":"https://doi.org/10.35699/2675-5327.2016.23851","url":null,"abstract":"Resource allocation patterns have been extensively studied on the dioecious shrub Baccharis concinna Barroso (Asteraceae) in rupestrian grasslands in Brazil. Female plants have longer apical shoots, more flowers per shoot, and greater leaf, flower and stem biomass on apical shoots while male plants have longer lateral shoots. Otherwise, no differences were observed in total biomass of vegetative parts between male and female plants. We further investigated the relationship between lateral shoot growth rates and the richness and abundance of galling-insect species on this host plant. Male plants had longer lateral shoots due to greater growth rates throughout the year. On the other hand, galling-insect richness and abundance did not differ between male and female plants throughout the year. Gall-inducing insects showed greater richness and abundance in the drier months of the year while lateral shoot growth rates were greater during the rainy season. In conclusion, male plants allocated more resources to the growth of lateral shoots when compared to female plants, but this differential growth did not reflect on male plants being more attacked by galling-insects. \u0000Keywords: insect galls, insect herbivory, growth rates, plant dioecy, resource allocation, rupestrian grasslands, Serra do Cipó.","PeriodicalId":445542,"journal":{"name":"Lundiana: International Journal of Biodiversity","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128775031","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}

引用次数: 3

Morphometry of Catagonus stenocephalus (Lund in Reinhardt 1880) (Artiodactyla: Tayassuidae) and taxonomical considerations about Catagonus Ameghino 1904 窄头小狐猴(Lund in Reinhardt 1880)的形态测定学(偶蹄目:狐猴科)及对阿梅吉诺小狐猴(1904)分类学的思考

Lundiana: International Journal of Biodiversity Pub Date : 2016-02-01 DOI: 10.35699/2675-5327.2016.23853

R. V. Missagia, Rodrigo Parisi-Dutra, M. Cozzuol

引用次数: 5

Facilitation underpinning the success of the non-native catfish Hoplosternum littorale (Callichthyidae) in lakes of the Middle Doce River Basin, southeastern Brazil 巴西东南部多塞河中河流域湖泊中非本土鲶鱼Hoplosternum littorale(鳞鱼科)成功的促进机制

Lundiana: International Journal of Biodiversity Pub Date : 2016-02-01 DOI: 10.35699/2675-5327.2016.23852

Dilermando Pereira Lima Jr., A. Latini

{"title":"Facilitation underpinning the success of the non-native catfish Hoplosternum littorale (Callichthyidae) in lakes of the Middle Doce River Basin, southeastern Brazil","authors":"Dilermando Pereira Lima Jr., A. Latini","doi":"10.35699/2675-5327.2016.23852","DOIUrl":"https://doi.org/10.35699/2675-5327.2016.23852","url":null,"abstract":"Facilitation is defined as an interaction between two or more species, which benefits at least one of them and causes harm to neither. The establishment of non-native species in new areas is a global phenomenon that raises the question of how facilitation may help in successful biological invasions. We describe a possible facilitation process between the catfish Hoplosternum littorale (Tamboatá) and its predators: Pygocentrus nattereri (piranha) and Cichla cf kelberi (tucunaré), all non-native fish that live in the lakes of the Middle Doce River Basin, southeastern Brazil. We found evidence of indirect facilitation, where non-native predators probably release H. littorale from competition, as they prefer to prey on native fish. Our main evidence in favor of this interpretation was a difference in the abundance of H. littorale between lakes where these species co-occur and lakes where H. littorale is the only non-native fish species. This difference was not associated with environmental differences between lakes or spatial segregation of age classes of H. littorale. Differences in peak activity among H. littorale and non-native predators are probably the main driver of co-occurrence. \u0000Keywords: biological invasion, tropical lakes, fish, non-native species.","PeriodicalId":445542,"journal":{"name":"Lundiana: International Journal of Biodiversity","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130965044","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}

引用次数: 0

Unexpected attraction of Urostreptus sp. (Spirostreptidae) to seed elaiosomes: a new resource record to millipedes’ diet 尾链虫对种子虫的意外吸引:千足虫饮食的新资源记录

Lundiana: International Journal of Biodiversity Pub Date : 2016-02-01 DOI: 10.35699/2675-5327.2016.23848

S. C. Ribeiro, V. G. N. Gomes, E. C. Barral, M. Meiado, I. Leal, J. S. Siqueira Filho, G. Fernandes

{"title":"Unexpected attraction of Urostreptus sp. (Spirostreptidae) to seed elaiosomes: a new resource record to millipedes’ diet","authors":"S. C. Ribeiro, V. G. N. Gomes, E. C. Barral, M. Meiado, I. Leal, J. S. Siqueira Filho, G. Fernandes","doi":"10.35699/2675-5327.2016.23848","DOIUrl":"https://doi.org/10.35699/2675-5327.2016.23848","url":null,"abstract":"We describe, for the first time, the attraction of an unidentified millipede species (Urostreptus sp.) to an elaiosomes of a Euphorbiaceae species (Jatropha mutabilis (Pohl) Baill.). After field observations of Urostreptus specimens feeding on elaiosomes’ seeds of J. mutabilis in areas of Caatinga in Petrolina, northeast Brazil, we conducted experiments to test the hypothesis that this millipede is specifically attracted to J. mutabilis elaiosomes. In the first experiment, millipedes were offered a choice between pairs of seeds with and without elaiosomes. In each trial we recorded the animal choice and the time required to access the seed. In the second experiment, millipedes were offered a choice between pairs of pebbles similar in size to the seeds, one of which was soaked in elaiosome extract. The results showed that millipedes significantly preferred seeds with elaiosomes and were all attracted to pebbles soaked in the elaiosome extract. We also speculate some of the potential implications for seed dispersal and seedlings distribution. \u0000Keywords: Brazil; Caatinga; Diplopoda; elaiosome-bearing seed; Euphorbiaceae.","PeriodicalId":445542,"journal":{"name":"Lundiana: International Journal of Biodiversity","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129516713","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}

引用次数: 0

Cold-Adapted Yeasts from Patagonia Argentina 来自阿根廷巴塔哥尼亚的冷适应酵母

Lundiana: International Journal of Biodiversity Pub Date : 2016-02-01 DOI: 10.35699/2675-5327.2016.23847

V. Garcia, M. Giraudo

{"title":"Cold-Adapted Yeasts from Patagonia Argentina","authors":"V. Garcia, M. Giraudo","doi":"10.35699/2675-5327.2016.23847","DOIUrl":"https://doi.org/10.35699/2675-5327.2016.23847","url":null,"abstract":"The Patagonian Andes possess a great variety of glaciers, large temperate ice masses, and glacially formed water bodies. Most of these environments are included in protected areas characterized by low anthropogenic impact and minimal atmospheric pollution. Studies on occurrence of psychrotolerant (cold-adapted) and psychrophilic yeasts in these natural environments have allowed the characterization of native cold-adapted yeast communities, the description of six novel species, as well as description of the capability of these yeasts to produce extracellular enzymes, and other metabolites (carotenoids and mycosporines). Cold-adapted yeasts from Patagonian glaciers were able to hydrolyze natural polymers (casein, lipids, starch, pectin and carboxymethylcellulose) at low temperatures and some were able to produce photo-protective compounds. These results suggest a significant ecological role of these organisms as organic matter decomposers and nutrient cyclers, also reveal that some of these yeasts could be used for further metabolic, ecological and biotechnological studies. The objective of this review is to summarize all the findings related to cold adapted yeasts from glacial environments of the South Hemisphere (outside Antarctica), also to highlight the importance of continental ice masses from the microbiological perspective. \u0000Keywords: yeasts, psychrophilic, glaciers, extracellular enzymes.","PeriodicalId":445542,"journal":{"name":"Lundiana: International Journal of Biodiversity","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122179450","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}

引用次数: 1

Leptodactylus chaquensis (Anura, Leptodactylidae) as a predator of Pseudis platensis (Anura, Hylidae) in southern Brazil

Lundiana: International Journal of Biodiversity Pub Date : 2016-01-01 DOI: 10.35699/2675-5327.2016.23854

F. H. Oda, P. Gambale, V. G. Batista

引用次数: 3

Biologia floral e comportamento de polinizadores de Tococa guianensis Aubl. (Melastomataceae) Tococa guianensis Aubl.（ Melastomataceae）的花生物学和授粉者行为

Lundiana: International Journal of Biodiversity Pub Date : 2013-08-31 DOI: 10.35699/2675-5327.2013.23831

Bernardo D. Ranieri, Fernando Silveira, Edivani V. Franceschinelli

{"title":"Biologia floral e comportamento de polinizadores de Tococa guianensis Aubl. (Melastomataceae)","authors":"Bernardo D. Ranieri, Fernando Silveira, Edivani V. Franceschinelli","doi":"10.35699/2675-5327.2013.23831","DOIUrl":"https://doi.org/10.35699/2675-5327.2013.23831","url":null,"abstract":"The floral biology of Tococa guianensis was studied in the “campo rupestre” vegetation of the Rio Preto State Park, Minas Gerais state, southeastern Brazil, by observing pollen availability and viability and behavior of floral visitors along the day. Flower visitors were grouped as effective, occasional or nectar robbers according to their behavior and pollen carriage. The flowers of T. guianensis presented herkogamy during anthesis and produced large amounts of viable pollen grains as floral rewards. Anthesis begins around 04:30 h and stigma receptivity starts at 05:45 h. Initially, herkogamy is caused by style deflection to either right or left positions. During the course of the day the style turns upright, approaching the stigma to the stamens. Bees were the most abundant visitors, especially Bombus atratus and B. morio, which were considered as effective pollinators because of their visitation behavior and morphology that makes pollen deposition on the stigma possible. Frieseomelitta varia and Augochloropsis cf. smithiana were considered occasional pollinators. Floral visits were more frequent in the morning, declining in frequency as both pollen quantity and viability decrease along the day. \u0000Keywords: Bombus, buzz-pollination, melittophily, pollen viability.","PeriodicalId":445542,"journal":{"name":"Lundiana: International Journal of Biodiversity","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134500141","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}

引用次数: 3

Feeding association between the cattle tyrant (Machetornis rixosus, Tyrannidae) and the capybara (Hydrochoerus hydrochaeris, Rodentia) 牛暴龙(暴龙科)与水豚(啮齿目)的摄食关系

Lundiana: International Journal of Biodiversity Pub Date : 2013-08-31 DOI: 10.35699/2675-5327.2013.23846

R. Andrade, P. Brumatti

引用次数: 0

Primeiro registro de Ambrysus lamprus (Heteroptera: Naucoridae) em dois estados do centro-oeste brasileiro 在巴西中西部的两个州首次记录lamprus Ambrysus(异翅目:Naucoridae)

Lundiana: International Journal of Biodiversity Pub Date : 2013-08-13 DOI: 10.35699/2675-5327.2013.23845

Shermman O. Pagioro, Luciana Radin, A. L. Melo

引用次数: 0