83 Works

How does prescribed fire shape bird and plant communities in a temperate dry forest ecosystem?

Frederick Rainsford
To mitigate the impact of severe wildfire on human society and the environment, prescribed fire is widely used in forest ecosystems to reduce fuel loads and limit fire spread. To avoid detrimental effects on conservation values, it is imperative to understand how prescribed fire affects taxa having a range of different adaptations to disturbance. Such studies will have greatest benefit if they extend beyond short-term impacts of burning. We used a field study to examine...

Sequence-based genome-wide association study of individual milk mid-infrared wavenumbers in mixed-breed dairy cattle

Kathryn Tiplady, Thomas Lopdell, Edwardo Reynolds, Richard Sherlock, Michael Keehan, Thomas Johnson, Jennie Pryce, Stephen Davis, Richard Spelman, Bevin Harris, Dorian Garrick & Mathew Littlejohn
Fourier-transform mid-infrared (FT-MIR) spectroscopy provides a high-throughput and inexpensive method for predicting milk composition and other novel traits from milk samples. Whilst there have been many genome-wide association studies (GWAS) conducted on FT-MIR predicted traits, there have been few GWAS for individual FT-MIR wavenumbers. Here we examine associations between genomic regions and individual FT-MIR wavenumber phenotypes within a population of 38,085 mixed-breed New Zealand dairy cattle with imputed whole-genome sequence. GWAS were conducted for each...

Changes in participant behaviour and attitudes are associated with knowledge and skills gained by using a turtle conservation citizen science app

Claudia Santori, Ryan J. Keith, Camilla M. Whittington, Mike B. Thompson, James U. Van Dyke & Ricky-John Spencer
Citizen science has become a popular way to collect biodiversity data and engage the wider public in scientific research. It has the potential to improve the knowledge and skills of participants, and positively change their behaviour and attitude towards the environment. Citizen science outcomes are particularly valuable for wildlife conservation, as they could help alleviate human impacts on the environment. We used an online questionnaire to investigate the consequences of participating in an Australian turtle...

Opposing community assembly patterns for dominant and non-dominant plant species in herbaceous ecosystems globally

Carlos Alberto Arnillas, Elizabeth Borer, Eric Seabloom, Juan Alberti, Selene Baez, Jonathon Bakker, Elizabeth Boughton, Yvonne Buckley, Miguel Bugalho, Ian Donohue, John Dwyer, Jennifer Firn, Riley Gridzak, Nicole Hagenah, Yann Hautier, Aveliina Helm, Anke Jentsch, , Kimberly Komatsu, Lauri Laanisto, Ramesh Laungani, Rebecca McCulley, Joslin Moore, John Morgan, Pablo Peri … & Marc Cadotte
Biotic and abiotic factors interact with dominant plants —the locally most frequent or with the largest coverage— and non-dominant plants differently, partially because dominant plants modify the environment where non-dominant plants grow. For instance, if dominant plants compete strongly, they will deplete most resources, forcing non-dominant plants into a narrower niche space. Conversely, if dominant plants are constrained by the environment, they might not exhaust available resources but instead may ameliorate environmental stressors that usually...

A Fresh Breeze in the Palace: The Courtly Function of the Yok Waal

Sven Gronemeyer
The present note is about a very rare lexeme in the epigraphic record: waal ‘fan’. Among the handful of examples, a unique context on the polychrome ceramic vessel K2914, the famous Denver Art Museum vase, allows identification of a hitherto unrecognized courtly function: yok waal as the ‘fan-bearer’ or ‘fan-wielder’.

Sex-specific splicing of Z- and W-borne nr5a1 alleles suggests sex determination is controlled by chromosome conformation

Xiuwen Zhang, Susan Wagner, Clare Holleley, Janine Deakin, Kazumi Matsubara, Ira Deveson, Deni O'Meally, Hardip Patel, Tariq Ezaz, Zhao Li, Chexu Wang, Melanie Edwards, Jennifer Marshall Graves & Arthur Georges
Pogona vitticeps has female heterogamety (ZZ/ZW) but the master sex determining gene is unknown, as is the case for all reptiles. We show that nr5a1, a gene that is essential in mammalian sex determination, has alleles on the Z and W chromosomes (Z-nr5a1 and W-nr5a1), which are both expressed and can recombine. Three transcript isoforms of Z-nr5a1 were detected in gonads of adult ZZ males, two of which encode a functional protein. However, ZW females...

Calculating bond dissociation energies of X-H (X = C, N, O, S) bonds of aromatic systems via DFT: A detailed comparison of methods

Quan V. Vo, Adam Mechler, Nguyen Thi Hoa & Nguyen Quang Trung
In this study, the bond dissociation energy (BDE) values of X-H (X = C, N, O, S) bonds of aromatic compounds were computed by using 17 different DFT functionals, namely M08-HX, M06-2X, M05-2X, M06, M05, BMK, MPW1B95, B1B95, B98, B97-2, LC-wPBE, B3LYP, cam-B3LYP, B2PLYP, MPWB1K, BB1K, BB95, within the basis set range 6-31G(d), 6-31+G(d), 6-31+G(d,p), 6-311G(d,p) and 6-311++G(d,p). The results show that the 6-31G(d) is the most convenient basis set to perform the BDE calculations...

Data from: The Phylogenetic Position of the Musky Rat-Kangaroo and the Evolution of Bipedal Hopping in Kangaroos (Macropodidae: Diprotodontia)

Angela Burk, Michael Westerman & Mark S. Springer
Kangaroos and their relatives (family Macropodidae) are divided into the subfamilies Macropodinae (kangaroos, wallabies, pademelons) and Potoroinae (rat-kangaroos, potoroos, bettongs). The musky rat-kangaroo, Hypsiprymnodon moschatus, is traditionally allied with other potoroines based primarily on osteological characters and aspects of the female reproductive system. Unlike other macropodids, however, which are capable of bipedal hopping, Hypsiprymnodon is a quadrupedal bounder and lacks several derived features of the pes and tarsus that are presumably adaptations for bipedal hopping....

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