A new troglobite species of Habeastrum Simone, 2019 from Brazil, and support for classification in Diplommatinidae (Mollusca, Caenogastropoda)

The genus Habeastrum Simone, 2019 was recently described based on empty shells, counting with two troglobite species. Conchological features allowed a preliminary classification in the caenogastropod family Diplommatinidae, but this family allocation was left open to future studies. Herein, we present a detailed anatomical study of newly acquired specimens, confirming the classification in Diplommatinidae. These new specimens, from Minas Gerais state, SE Brazil, belong to a new troglobite species described herein, Habeastrum strangeisp. nov. The present records extend the genus distribution ca. 1,100 km east-northeast.

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Magnetic fabrics, rock magnetism, cathodoluminescence and petrography of apparently undeformed Bambui carbonates from São Francisco Basin (Minas Gerais State, SE Brazil): An integrated study

Tectonophysics ◽

10.1016/j.tecto.2005.12.016 ◽

2006 ◽

Vol 418 (1-2) ◽

pp. 111-130 ◽

Cited By ~ 14

Author(s):

M. Irene B. Raposo ◽

Ian McReath ◽

Manoel S. D'Agrella-Filho

Keyword(s):

Rock Magnetism ◽

Minas Gerais ◽

Magnetic Fabrics ◽

Se Brazil ◽

Minas Gerais State ◽

Integrated Study

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Characteristics of inclusions in topaz from Serrinha pegmatite (Medina granite, Minas Gerais State, SE Brazil) studied by Raman spectroscopy

Vibrational Spectroscopy ◽

10.1016/j.vibspec.2016.04.019 ◽

2016 ◽

Vol 85 ◽

pp. 196-201 ◽

Cited By ~ 2

Author(s):

Magdalena Dumańska-Słowik ◽

Tomasz Toboła ◽

Lucyna Natkaniec-Nowak ◽

Antonio Carlos Pedrosa-Soares

Keyword(s):

Raman Spectroscopy ◽

Minas Gerais ◽

Se Brazil ◽

Minas Gerais State

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Tracking iron-rich rocks beneath Cenozoic tablelands: An integration of geological, airborne geophysical and remote sensing data from northern Minas Gerais State, SE Brazil

Journal of South American Earth Sciences ◽

10.1016/j.jsames.2020.102604 ◽

2020 ◽

Vol 101 ◽

pp. 102604

Author(s):

Eliane Voll ◽

Adalene Moreira Silva ◽

Antonio Carlos Pedrosa-Soares

Keyword(s):

Remote Sensing ◽

Remote Sensing Data ◽

Minas Gerais ◽

Sensing Data ◽

Se Brazil ◽

Minas Gerais State

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What do insects, anurans, birds, and mammals have to say about soundscape indices in a tropical savanna

Journal of Ecoacoustics ◽

10.22261/jea.pvh6yz ◽

2018 ◽

Vol 2 (1) ◽

pp. 1-1 ◽

Cited By ~ 8

Author(s):

Renata S. Sousa-Lima ◽

Luane M. Ferreira ◽

Eliziane G. Oliveira ◽

Lara C. Lopes ◽

Marcos R. Brito ◽

...

Keyword(s):

National Park ◽

Hot Spot ◽

Temporal Trends ◽

Minas Gerais ◽

Tropical Savanna ◽

Acoustic Ecology ◽

Future Studies ◽

Minas Gerais State ◽

Acoustic Niche ◽

Acoustic Diversity

The application of acoustic indices is incipient and still needs validation before it can reliably characterize soundscapes and monitor rapidly disappearing hot-spot areas as the Brazilian tropical savanna (Cerrado). Here we investigate which of six acoustic indices better correlate with the 24 h zoophony richness of insects, anurans, birds, and mammals. We sampled one minute every 30 minutes for seven days on three sites in Serra da Canastra National Park (Minas Gerais state, Brazil) and extracted the sonotype richness and six indices based on recordings with a bandwidth of up to 48 kHz. The Acoustic Diversity, Evenness, Entropy, and Normalized Difference Soundscape indices followed the temporal trends of the sonotype richness of insects and anurans. The Acoustic Complexity (ACI) and Bioacoustic (BIO) indices did not correlated with sonotype richness. ACI and BIO were influenced by sonic abundance and geophony. We emphasize the need to include insects and anurans on soundscape and acoustic ecology analyses and to avoid bias on avian fauna alone. We also suggest that future studies explore measures of sonic abundance and acoustic niche occupation of sonotypes to complement measures of zoophony richness and better understand what each faunal group is telling us about indices.

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Reproductive system of Eriocnema fulva Naudin (Melastomataceae), an endemic species of Minas Gerais state, SE Brazil

Brazilian Journal of Biology ◽

10.1590/s1519-69842007000200017 ◽

2007 ◽

Vol 67 (2) ◽

pp. 313-319 ◽

Cited By ~ 4

Author(s):

PM. Andrade ◽

ER. Forni-Martins ◽

FR. Martins

Keyword(s):

Reproductive System ◽

Forest Canopy ◽

Management Plan ◽

Minas Gerais ◽

Perennial Herb ◽

Long Distance ◽

Se Brazil ◽

Minas Gerais State ◽

Pollen Vectors ◽

Small Dispersion

Eriocnema fulva Naudin is a perennial herb, endemic to Minas Gerais state, SE Brazil, found on humid, shaded rocky riverbanks in montane semideciduous seasonal forests. The species is threatened, but information regarding its biology is still lacking, although such information is fundamental to any management plan. We aimed to evaluate the reproductive system of Eriocnema fulva in the Jambreiro Forest (19° 58'-59' S and 43° 55'-52' W, 800-1100 m altitude), municipality of Nova Lima, by experiments carried out in 1997 and 1998. The flowers are white, and flowering is of the steady state type, occurring once a year from November to December. Anthers are poricidal, and pollen is the only resource for visitors. The chromosome number is n = 17 during meiosis. The species is self-compatible, but does not produce fruits by spontaneous self-pollination or agamospermy; it requires pollen vectors and buzz pollination in order to produce fruits. Cross-pollination is the main reproductive strategy of E. fulva, and is accentuated by the small number of flowers (one or two in each plant) opened per day. Although the population studied was shaded by forest canopy, the seeds needed light to germinate. Germination ratio was lower in germination cabinet on filter paper (14% after 30 days) than in greenhouse on soil brought from the forest (47% after 25 days). Although the fruit is a capsule and the seeds are small, dispersion (anemochory or hydrochory) does not seem to occur at long distance, as it is the case for other Melastomataceae species with similar syndrome.

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