ABSTRACT
BACKGROUND: Land-use is a major driver of changes in biodiversity worldwide, but studies have overwhelmingly focused on above-ground taxa: the effects on soil biodiversity are less well known, despite the importance of soil organisms in ecosystem functioning. We modelled data from a global biodiversity database to compare how the abundance of soil-dwelling and above-ground organisms responded to land use and soil properties. RESULTS: We found that land use affects overall abundance differently in soil and above-ground assemblages. The abundance of soil organisms was markedly lower in cropland and plantation habitats than in primary vegetation and pasture. Soil properties influenced the abundance of soil biota in ways that differed among land uses, suggesting they shape both abundance and its response to land use. CONCLUSIONS: Our results caution against assuming models or indicators derived from above-ground data can apply to soil assemblages and highlight the potential value of incorporating soil properties into biodiversity models.
Subject(s)
Ecosystem , Soil , Biodiversity , Soil Microbiology , BiotaABSTRACT
Butterflies are one of the best-known insect groups, and they have been the subject of numerous studies in ecology and evolution, especially in the tropics. Much attention has been given to the fruit-feeding butterfly guild in biodiversity conservation studies, due to the relative ease with which taxa may be identified and specimens sampled using bait traps. However, there remain many uncertainties about the macroecological and biogeographical patterns of butterflies in tropical ecosystems. In the present study, we gathered information about fruit-feeding butterfly species in local communities from the Atlantic Forests of South America. The ATLANTIC BUTTERFLIES data set, which is part of ATLANTIC SERIES data papers, results from a compilation of 145 unpublished inventories and 64 other references, including articles, theses, and book chapters published from 1949 to 2018. In total, the data set contains 7,062 records (presence) of 279 species of fruit-feeding butterflies identified with taxonomic certainty, from 122 study locations. The Satyrini is the tribe with highest number of species (45%) and records (30%), followed by Brassolini, with 13% of species and 12.5% of records. The 10 most common species correspond to 14.2% of all records. This data set represents a major effort to compile inventories of fruit-feeding butterfly communities, filling a knowledge gap about the diversity and distribution of these butterflies in the Atlantic Forest. We hope that the present data set can provide guidelines for future studies and planning of new inventories of fruit-feeding butterflies in this biome. The information presented here also has potential use in studies across a great variety of spatial scales, from local and landscape levels to macroecological research and biogeographical research. We expect that such studies be very important for the better implementation of conservation initiatives, and for understanding the multiple ecological processes that involve fruit-feeding butterflies as biological indicators. No copyright restrictions apply to the use of this data set. Please cite this Data paper when using the current data in publications or teaching events.
ABSTRACT
A study of the assembly of fruit-feeding butterflies in the Área de Proteção Especial Manancial Mutuca, Nova Lima, MG was conducted with the goal of inventorying the species of the site. Forty-two traps were used to attract fruit-feeding butterflies, divided between Cerrado (rupestrian field) and riparian vegetation, monthly over one year. 2245 butterflies, which belonged to 63 species, were recorded. Of this total, fourty-eight species were collected in the Cerrado, twenty-one exclusively in this environment, forty-two in riparian forest, fifteen being exclusive to this environment, and twenty-seven species were sampled in both environments. From the total of sampled species, thirty-five were considered rare, eight accessory species, and twenty constant species. Prepona deiphile deiphile (Charaxine) is classified as vulnerable on the Minas Gerais' list and on the national list of threatened species. The collector curve showed no clear trend to stabilization, suggesting that there are species still not sampled in the study area. Adding the data from field sampling to the information on species occurrence in the literature and in entomological collections, the current number of frugivorous butterflies species for the region of Belo Horizonte is 104. This result foregrounds the importance of APE Mutuca for maintaning a rich fauna of frugivorous butterflies to the area.
Foi realizado um estudo da assembléia de borboletas frugívoras da Área de Proteção Especial Manancial Mutuca, Nova Lima-MG, com o objetivo de inventariar as espécies do local. Foram utilizadas 42 armadilhas atrativas para borboletas frugívoras, divididas entre mata ciliar e Cerrado (campo rupestre), mensalmente ao longo de um ano. Foram amostradas 2245 borboletas, pertencentes a 63 espécies. Deste total, 48 espécies foram coletadas no Cerrado, sendo 21 exclusivamente neste ambiente, 42 na Mata Ciliar com 15 exclusivas e 27 espécies foram amostradas nos dois ambientes. Do total de espécies amostradas, 35 foram consideradas raras, oito acessórias e 20 constantes. Prepona deiphile deiphile (Charaxine) encontra-se classificada como vulnerável na lista de Minas Gerais e na lista nacional de espécies ameaçadas. A curva do coletor não mostrou tendência nítida è estabilização, o que sugere que ainda existam espécies não amostradas na área de estudo. Somando-se aos dados de amostragem em campo, informações sobre ocorrência de espécies na literatura e em coleções entomológicas, o número atual de espécies de borboletas frugívoras para a região de Belo Horizonte é de 104. Esse resultado ressalta a importância da APE Mutuca na manutenção de uma fauna rica de borboletas frugívoras para a região.
ABSTRACT
Eufriesea violacea (Blanchard) males were sampled in a small-scale elevational gradient in Southeastern Brazil and showed sequential peaks of abundance from lowest (700 m) to highest (1,100 m) altitudes during the sampling period. The influence of the temperature on the length of the egg-to-adult period and flowering dates of plants producing food (nectar) suggests that it may be one of the factors determining the distribution of male abundance along the altitudinal gradient. The results emphasize the importance of obtaining altitudinal stratified samples when studying Euglossini populations, especially when the studies are done at sites with marked topographical variation.
Subject(s)
Bees , Altitude , Animals , Brazil , Male , Population Dynamics , TemperatureABSTRACT
Eufriesea violacea (Blanchard) males were sampled in a small-scale elevational gradient in Southeastern Brazil and showed sequential peaks of abundance from lowest (700 m) to highest (1,100 m) altitudes during the sampling period. The influence of the temperature on the length of the egg-to-adult period and flowering dates of plants producing food (nectar) suggests that it may be one of the factors determining the distribution of male abundance along the altitudinal gradient. The results emphasize the importance of obtaining altitudinal stratified samples when studying Euglossini populations, especially when the studies are done at sites with marked topographical variation.
Machos de Eufriesea violacea (Blanchard) foram amostrados em um pequeno gradiente altitudinal no Sudeste do Brasil e apresentaram picos seqüenciais de abundância do ponto mais baixo (700 m) para o ponto mais alto (1.100 m) do gradiente durante o período de amostragem. A influência da temperatura sobre a duração do período de ovo-a-adulto e nas épocas de florescimento de plantas fornecedoras de alimento (néctar) sugere que esse seja um dos fatores que determinam a distribuição da abundância dos machos ao longo do gradiente altitudinal. Os resultados ressaltam a importância de se obter amostras estratificadas em função da altitude quando populações de Euglossini são estudadas, especialmente em localidades com grande variação topográfica.
