scholarly journals Fauna of Noctuidae (Lepidoptera: Noctuoidea) in a pasture area in Altamira, Eastern Amazon, Pará, Brazil

2014 ◽  
Vol 74 (4) ◽  
pp. 983-990 ◽  
Author(s):  
LP Almeida ◽  
A Specht ◽  
JA Teston
Keyword(s):  
Species Richness ◽  
Spodoptera Frugiperda ◽  
Abundant Species ◽  
Dry Season ◽  
Entire Period ◽  
Shannon Diversity ◽  
New Moon ◽  
Pasture Area

This study evaluated the nocturnal fauna of Noctuidae in a pasture area in Altamira, Pará. Samples were collected monthly for two nights at the new moon period, from August 2007 to July 2008. We collected a total of 345 specimens (N) of 66 species (S). The most abundant species were Ptichodes basilans (Guenée) (n = 87), Leucania jaliscana (Schaus), Spodoptera frugiperda (JE Smith) (n = 28) and Argidia palmipes Guenée (n = 21). For the entire period, the following indexes were found: Shannon diversity H′= 3.20 and Brillouin H = 2.94, evenness of Shannon E′= 0.76 and Brillouin E= 0.76, and Berger-Parker dominance BP= 0.252. The greatest diversity was found in the dry season. According to the estimates of species richness, it is possible that between 14 to 72 more species exist in the region.

scholarly journals A checklist of gilled mushrooms (Basidiomycota: Agaricomycetes) with diversity analysis in Hollongapar Gibbon Wildlife Sanctuary, Assam, India

2015 ◽  
Vol 7 (15) ◽  
pp. 8272 ◽  
Author(s):  
Girish Gogoi ◽  
Vipin Parkash
Keyword(s):  
Species Richness ◽  
Diversity Index ◽  
Abundant Species ◽  
Shannon Diversity Index ◽  
Diversity Analysis ◽  
Wildlife Sanctuary ◽  
Shannon Diversity ◽  
Number Of Species ◽  
Simpson Diversity Index ◽  
Richness Index

<p>Hollongapar Gibbon Wildlife Sanctuary is comprised of five distinct compartments.  A total of 138 species of gilled mushrooms belonging to 48 genera, 23 families, five orders of the class Agaricomycetes, division Basidiomycota, have been collected and analyzed. The order Agaricales was was found with the highest number of species (113), followed by Russulales (14), Polyporales (5), Cantharellales (4) and Boletales (2). The species <em>Coprinellus disseminatus </em>and <em>Megacollybia rodmani</em> have shown the highest (8.26) and the lowest density (0.05), respectively.  A total of 24 species, e.g., <em>Termitomyces albuminosus, Marasmius curreyi, Marasmiellus candidus, Leucocoprinus medioflavus, Mycena leaiana, Hygrocybe miniata, Collybia chrysoropha, Gymnopus confluens</em> were common with frequency percentage of 11.9, whereas <em>Megacollybia rodmani</em> with less frequency percentage (2.4) was found only in few quadrates of the sanctuary.  The highly abundant species were <em>Termitomyces medius</em> (91.7) and <em>Coprinellus disseminatus </em>(86.8), and less abundant species were <em>Psilocybe wayanadensis</em> (1.0) and <em>Lepiota</em> sp. (1.0) in the study site.  The order of the species richness index (<em>R</em>) compartment wise was 2&gt;3&gt;4&gt;5&gt;1. Both the Shannon diversity index and Simpson diversity index of agarics was maximum (1.88, 0.98) in compartment 2, whereas minimum (1.72, 0.95) in compartment 1 and 5, respectively.  Moreover, the compartment 2 was found very much similar with compartment 3 and very less similar with compartment 1.</p><div> </div>

scholarly journals Beetles (Insecta, Coleoptera) associated with pig carcasses exposed in a Caatinga area, Northeastern Brazil

2014 ◽  
Vol 74 (3) ◽  
pp. 649-655 ◽  
Author(s):  
WE Santos ◽  
ACF Alves ◽  
AJ Creão-Duarte
Keyword(s):  
Species Richness ◽  
Abundant Species ◽  
Dry Season ◽  
Northeastern Brazil ◽  
Dermestes Maculatus ◽  
Pig Carcasses ◽  
Stelidota Geminata

The species richness, abundance and seasonality of Coleoptera fauna associated with pig carcasses exposed in a Caatinga area were examined. Tray, pitfall and modified Shannon traps were settled together to collect these insects during two seasons (dry and rainy). 4,851 beetles were collected, belonging to 19 families and 88 species. Staphylinidae (2,184) and Histeridae (1,264) were the most abundant families and accounted for 71.1% of the specimens collected. Scarabaeidae (15) showed the highest species richness. The most abundant species were Atheta iheringi Bernhauer, 1908 (Staphylinidae) (1,685), Euspilotus sp. (Histeridae) (461), Stelidota geminata (Say, 1825) (Nitidulidae) (394), Xerosaprinus diptychus(Marseul, 1855) (Histeridae) (331) and Dermestes maculatus De Geer, 1774 (Dermestidae). Amongst these species, X. diptychus showed to be strongly influenced by seasonality, since 96.1% of the specimens were collected during the dry season.

scholarly journals Diversity of Eusocial Bees in Natural and Anthropized Areas of a Tropical Dry Forest in the Parque da Sapucaia (Montes Claros, Minas Gerais, Brazil)

Sociobiology ◽  
2021 ◽  
Vol 68 (1) ◽  
pp. 5305
Author(s):  
Priscila Santos Gonçalves ◽  
Walter Santos de Araújo
Keyword(s):  
Species Richness ◽  
Tropical Dry Forest ◽  
Tree Height ◽  
Abundant Species ◽  
Minas Gerais ◽  
Dry Forest ◽  
Habitat Modification ◽  
Shannon Diversity ◽  
Anthropogenic Habitat ◽  
Eusocial Bees

 In the present study we inventoried the diversity of eusocial bees (Hymenoptera: Apidae) in preserved and anthropized areas of a tropical dry forest in the Parque da Sapucaia (Montes Claros, Minas Gerais, Brazil). We tested the hypothesis that the diversity of bee species would: 1) be greater in the preserved areas, 2) respond positively to the structure of the vegetation and 3) decrease during the dry season. We sampled eusocial bee species in 18 plots of 10 x 10 m distributed throughout the park, being nine plots in anthropized areas and nine plots in areas with preserved vegetation.  In total we recorded 382 individuals and eight species of eusocial bees. The most abundant species was Oxytrigona tataira (Smith) (N = 233) and the most common species was Trigona spinipes (Fabricius) recorded in 72.2% of the plots. As expected, we found that eusocial bee diversity (Shannon diversity) was higher in preserved plots than in anthropized plots. Tree species richness positively affected bee species richness and abundance, while tree abundance positively influenced the bee abundance and tree height positively affected the bee Shannon diversity, corroborating our expectations. On the other hand, we detected no differences in the diversity of eusocial bees between dry and rainy seasons. Our findings suggest that both natural (vegetation structure) and anthropogenic (habitat modification) factors are important predictors of the diversity of eusocial bee species in tropical dry forests.

scholarly journals Sheep nemabiome diversity and its response to anthelmintic treatment in Swedish sheep herds

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Peter Halvarsson ◽  
Johan Höglund
Keyword(s):  
Species Richness ◽  
Diversity Index ◽  
Nematode Species ◽  
Abundant Species ◽  
Anthelmintic Treatment ◽  
Host Age ◽  
Larval Culture ◽  
Nematode Parasites ◽  
South Central ◽  
Nematode Diversity

Abstract Background A novel way to study the species composition and diversity of nematode parasites in livestock is to perform deep sequencing on composite samples containing a mixture of different species. Herein we describe for the first time the nematode community structures (nemabiomes) inhabiting Swedish sheep and how these are/were affected by host age and recent anthelmintic treatments. Methods A total of 158 fecal samples were collected (n = 35 in 2007 and n = 123 in 2013–2016) and cultured from groups of sheep on 61 commercial farms in the south-central part of the country where most animals are grazed. Among the samples, 2 × 44 (56%) were paired collections from the same groups pre- and post-treatment with anthelmintics such as macrocyclic lactones, benzimidazoles or levamisole. Samples were analyzed for their nemabiome using the PacBio platform followed by bioinformatic sequence analysis with SCATA. Species richness and diversity were calculated and analyzed in R. Results Nematode ITS2 sequences were found in all larval culture samples except two, even though the fecal egg counts were below the McMaster threshold in 20 samples. Sequencing yielded, on average, 1008 sequences per sample. In total, 16 operational taxonomical units (OTU), all with ≥ 98 % identity to sequences in the NCBI database, were recognized. The OTUs found represented nematode species of which ten are commonly associated with sheep. Multiple species were identified in all pre-anthelmintic treatment larval culture samples. No effects on nematode diversity were found in relation to host age. On the other hand, recent anthelmintic treatment lowered species richness, especially after use of ivermectin and albendazole. Interestingly, despite zero egg counts after use of levamisole, these samples still contained nematode DNA and especially H. contortus. Conclusions Our findings provide evidence that nemabiome analysis combined with diversity index analysis provides an objective methodology in the study of the efficacy of anthelmintic treatment as both high and low abundant species were detected.

scholarly journals Species richness and diversity in shrub savanna using ordinary kriging

2016 ◽  
Vol 51 (8) ◽  
pp. 958-966 ◽  
Author(s):  
Anderson Pedro Bernardina Batista ◽  
José Márcio de Mello ◽  
Marcel Régis Raimundo ◽  
Henrique Ferraço Scolforo ◽  
Aliny Aparecida dos Reis ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Species Richness ◽  
Spatial Dependence ◽  
Ordinary Kriging ◽  
Diversity Index ◽  
Spatial Models ◽  
Shannon Diversity Index ◽  
Shannon Diversity ◽  
Species Richness And Diversity ◽  
Number Of Species

Abstract: The objective of this work was to analyze the spatial distribution and the behavior of species richness and diversity in a shrub savanna fragment, in 2003 and 2014, using ordinary kriging, in the state of Minas Gerais, Brazil. In both evaluation years, the measurements were performed in a fragment with 236.85 hectares, in which individual trees were measured and identified across 40 plots (1,000 m2). Species richness was determined by the total number of species in each plot, and diversity by the Shannon diversity index. For the variogram study, spatial models were fitted and selected. Then, ordinary kriging was applied and the spatial distribution of the assessed variables was described. A strong spatial dependence was observed between species richness and diversity by the Shannon diversity index (<25% spatial dependence degree). Areas of low and high species diversity and richness were found in the shrub savanna fragment. Spatial distribution behavior shows relative stability regarding the number of species and the Shannon diversity index in the evaluated years.

scholarly journals Richness and abundance of anurans (amphibia) in pasture and secondary forest areas near to Porto Velho (Rondonia, Brazil)

2016 ◽  
Vol 8 (1) ◽  
pp. 7
Author(s):  
MILENE DA ROCHA M. ◽  
CRISTIANO RIBEIRO F. ◽  
RANIERE GARCEZ C.S.
Keyword(s):  
Secondary Forest ◽  
Abundant Species ◽  
Secondary Forests ◽  
Lack Of Information ◽  
Environmental Integrity ◽  
Pasture Area ◽  
Tools And Techniques ◽  
Number Of Individuals ◽  
The City ◽  
Porto Velho

The Amazon has a great biodiversity, however in this regions some locations still without no research, showing the need for studies in this localities. The lack of information about the diversity of frogs and the speed of change in the landscape that have been taking place on the planet, demonstrates the urgent need to preserve the remaining resources. In this adverse scenario, live frogs that are sensitive to changes in natural forest areas, and are recognized as Bioindicator of environmental integrity. The present study had scoped to do a survey of the anuran species in a country area, near to the city of Porto Velho (RO). This land, is formed by two separate areas, one classified as secondary forests and the other as pasture area. The sampling was carried out from January to may 2012, using tools and techniques for catch in the night delimited by time, pitfall traps and frogs occasional meetings Were captured 63 specimens of Anurans, distributed in six families, where the richest in species were the Leptodactylidae (n = 6), Hylidae (n = 5), Bufonidae (n = 4), Microhylidae (n = 2), Brachycephalidae (n = 2) and Aromobatidae (n = 2), totaling 21 species identified.The most abundant species were the Leptodactylus chaquensis (n = 12) and Leptodactylus andreae (n = 8). The pasture area exhibited the greatest number of individuals captured with 65.07% of all frogs collected.

scholarly journals Fish diversity of floodplain lakes on the lower stretch of the Solimões River

2004 ◽  
Vol 64 (3a) ◽  
pp. 501-510 ◽  
Author(s):  
F. K. Siqueira-Souza ◽  
C. E. C. Freitas
Keyword(s):  
Species Richness ◽  
Fish Community ◽  
River Flow ◽  
Abundant Species ◽  
Floodplain Lakes ◽  
Fish Diversity ◽  
The Town ◽  
Solimões River

The fish community of the Solimões floodplain lakes was studied by bimonthly samples taken from May 2001 to April 2002. These were carried out at lakes Maracá (03º51'33"S, 62º35'08,6"W), Samaúma (03º50'42,1"S, 61º39'49,3"W), and Sumaúma and Sacambú (03º17'11,6"S and 60º04'31,4"W), located between the town of Coari and the confluence of the Solimões and Negro rivers. Collections were done with 15 gillnets of standardized dimensions with several mesh sizes. We collected 1,313 animals distributed in 77 species, belonging to 55 genera of 20 families and 5 orders. Characiformes was the most abundant Order, with a larger number of representatives in the Serrasalmidae and Curimatidae. The most abundant species in the samplings were Psectrogaster rutiloides (132 individuals), Pigocentrus nattereri (115 individuals), and Serrasalmus elongatus (109 individuals). Lakes Samaúma, Sacambú, and Sumaúma were adjusted to logarithmic and lognormal series. The diversity exhibited an inverse gradient to the river flow, showing the highest diversity at Lake Sumaúma, followed by Samaúma, Sacambú, and Maracá. Species richness estimated through the jackknife technique ranged from 78 to 107 species.

scholarly journals Inventory of mollusks from the estuary of the Paraíba River in northeastern Brazil

2017 ◽  
Vol 17 (1) ◽  
Author(s):  
Silvio Felipe Barbosa Lima ◽  
◽  
Rudá Amorim Lucena ◽  
Galdênia Menezes Santos ◽  
José Weverton Souza ◽  
...  
Keyword(s):  
Species Richness ◽  
Environmental Monitoring ◽  
Local Population ◽  
Abundant Species ◽  
Coastal Ecosystems ◽  
Economic Importance ◽  
Northeastern Brazil ◽  
Marine Mollusks ◽  
The Family

Abstract: Coastal ecosystems of northeastern Brazil have important biodiversity with regard to marine mollusks, which are insufficiently studied. Here we provide an inventory of mollusks from two sites in the estuary of the Paraíba River. Mollusks were collected in 2014 and 2016 on the coast and sandbanks located on the properties of Treze de Maio and Costinha de Santo Antônio. The malacofaunal survey identified 12 families, 20 genera and 21 species of bivalves, 17 families, 19 genera and 20 species of gastropods and one species of cephalopod. Bivalves of the family Veneridae Rafinesque, 1815 were the most representative, with a total of five species. Gastropods of the family Littorinidae Children, 1834 had the greatest species richness. The most abundant species were: Neritina virginea (Linnaeus, 1758), Brachidontes exustus (Linnaeus, 1758), Crassostrea brasiliana (Lamarck, 1819), Cerithium atratum (Born, 1778), Anomalocardia brasiliana (Gmelin, 1791), Parvanachis obesa (C. B. Adams, 1845), Phrontis polygonata (Lamarck, 1822), Littoraria angulifera (Lamarck, 1822), L. flava (King, 1832), Tagelus plebeius (Lightfoot, 1786), Echinolittorina lineolata (d'Orbigny, 1840) and Iphigenia brasiliensis (Lamarck, 1818). The results show that the study area has considerable species richness of Mollusca, requiring environmental monitoring in the region mainly due to the economic importance of some species to the local population.

scholarly journals Diversity of scorpions (Chelicerata: Arachnida) in the Atlantic Forest in Pernambuco, northeastern Brazil

Check List ◽  
2014 ◽  
Vol 10 (6) ◽  
pp. 1331 ◽  
Author(s):  
André Felipe de Araujo Lira ◽  
Cleide Maria Ribeiro de Albuquerque
Keyword(s):  
Atlantic Forest ◽  
Abundant Species ◽  
Northeastern Brazil ◽  
Forest Fragments ◽  
Moon Phase ◽  
The Family ◽  
New Moon ◽  
Important Center ◽  
Uv Lamps ◽  
Northeastern Atlantic

This study was conducted to measure the biodiversity of scorpion species in the remnants of the Brazilian northeastern Atlantic Forest, an important center of biodiversity and endemism. Collections were performed in twelve forest fragments in Sirinhaém municipality, Pernambuco State, through active searches at night by using UV lamps between 19:00h and 21:00h during the new moon phase in December 2012 and January 2013. A total of 1,125 specimens from two genera and five species were collected: Tityus pusillus Pocock, 1893; Ananteris mauryi Lourenço, 1982; Tityus brazilae Eickstedt & Lourenço, 1984; Tityus neglectus Mello-Leitão, 1932; and Tityus stigmurus (Thorell, 1876), all belonging to the family Buthidae C.L. Koch, 1837. The most abundant species was T. pusillus (90.7%), followed by A. mauryi (7.1%). Tityus brazilae, T. neglectus, and T. stigmurus together represented less than 3% of the individuals sampled.

Anabaenopsis morphospecies (Cyanobacteria, Nostocales) from Los Patos shallow lake (Province of Buenos Aires, Argentina)

Phytotaxa ◽  
2016 ◽  
Vol 272 (3) ◽  
pp. 173 ◽  
Author(s):  
ANABELLA AGUILERA ◽  
JIŘĺ KOMÁREK ◽  
RICARDO O. ECHENIQUE
Keyword(s):  
Population Dynamics ◽  
Species Richness ◽  
Shallow Lake ◽  
Algal Blooms ◽  
Buenos Aires ◽  
Morphological Diversity ◽  
Abundant Species ◽  
American Continent ◽  
First Report ◽  
Almost All

The genus Anabaenopsis comprises about 20 morphospecies distributed in plankton of tropical, subtropical and temperate regions during warm periods. The morphological diversity and population dynamics of Anabaenopsis species from one artificial shallow lake from the Province of Buenos Aires, Argentina, was studied during summer 2005 and 2006; and from April 2012 to May 2014. The most common and abundant species were identified as A. elenkinii and A. cf. cunningtonii (first report in Argentina). Anabaenopsis circularis and A. milleri (first report in the American continent and Argentina) were less common, whereas A. nadsonii was rarely observed. Almost all species contributed to algal blooms during warm periods. However, some species were registered even under the lowest temperatures recorded (7.5 °C) and sustained biovolume also during winter (A. milleri, A. elenkinii and A. cf. cunningtonii). These results indicate that some species of the genus are capable of growing at temperatures much lower than 20°C. The species richness noted in this study suggests that there is likely much more diversity remaining on this genus to be reported in Argentina.

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