Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Nola J. Parsons"'
Autor:
Ralph E. T. Vanstreels, Carolina R. F. Chagas, Gediminas Valkiūnas, Carolina C. dos Anjos, Nola J. Parsons, David G. Roberts, Albert Snyman, Renata Hurtado, Karin Kirchgatter, Katrin Ludynia, Pierre A. Pistorius, L. C. Ranford-Cartwright
Publikováno v:
Parasitology, Vol 150, Pp 1286-1295 (2023)
Haemoproteus spp. are dipteran-borne protozoa that infect erythrocytes and reticulo-endothelial cells of birds. These parasites are not usually transmitted between birds belonging to different orders. The suborder Lari (order Charadriiformes) compris
Externí odkaz:
https://doaj.org/article/bb08f1faf4ef427a85102aa22c6a0cf7
Autor:
Ralph Eric Thijl Vanstreels, Michael J. Yabsley, Nola J. Parsons, Liandrie Swanepoel, Pierre A. Pistorius
Publikováno v:
Parasites & Vectors, Vol 11, Iss 1, Pp 1-7 (2018)
Abstract Background Anaplasma spp. are Gram-negative obligate intracellular bacteria transmitted by ticks. Even though numerous studies have detected DNA from Anaplasma spp. in the blood of birds, thus far mammals were the only vertebrates demonstrat
Externí odkaz:
https://doaj.org/article/fb0af7bd228a46aa9a441b4ba834210f
Autor:
Michael J. Yabsley, Ralph E.T. Vanstreels, Barbara C. Shock, Michaelle Purdee, Elizabeth C. Horne, Michael A. Peirce, Nola J. Parsons
Publikováno v:
International Journal for Parasitology: Parasites and Wildlife, Vol 6, Iss 3, Pp 257-264 (2017)
There are 16 recognized species of avian-infecting Babesia spp. (Piroplasmida: Babesiidae). While the classification of piroplasmids has been historically based on morphological differences, geographic isolation and presumed host and/or vector specif
Externí odkaz:
https://doaj.org/article/a943f3d536ff46e1aa6d54e5515e033b
Publikováno v:
Onderstepoort Journal of Veterinary Research, Vol 83, Iss 1, Pp e1-e13 (2016)
The African penguin (Spheniscus demersus) is an endangered seabird that breeds along the coast of Namibia and South Africa, and disease surveillance was identified as a priority for its conservation. Aiming for the establishment of baseline data on t
Externí odkaz:
https://doaj.org/article/f2e7dd7d977e4dc2865ef132d2095243
Publikováno v:
South African Journal of Science, Vol 113, Iss 7/8, Pp 8-8 (2017)
The African penguin (Spheniscus demersus) is the only penguin species that breeds on the African continent and it is currently classified as endangered. Its conservation is assisted by the Southern African Foundation for the Conservation of Coastal B
Externí odkaz:
https://doaj.org/article/ddda4a4d85eb4dc69220a63e7dff5a12
Autor:
Ralph E.T. Vanstreels, Nola J. Parsons, Richard B. Sherley, Nicky Stander, Venessa Strauss, Jessica Kemper, Lauren Waller, Barbara J. Barham, Katrin Ludynia
Publikováno v:
Marine Pollution Bulletin. 188:114708
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0a1d127b89bd0f4295784cdbe0934af
https://doi.org/10.1016/j.marpolbul.2023.114708
https://doi.org/10.1016/j.marpolbul.2023.114708
Autor:
Freddie W. Leith, Jennifer L. Grigg, Barbara J. Barham, Peter J. Barham, Katrin Ludynia, Cuan McGeorge, Andile Mdluli, Nola J. Parsons, Lauren J. Waller, Richard B. Sherley
Publikováno v:
Ecology and evolution. 12(9)
In long-lived species, reproductive skipping is a common strategy whereby sexually mature animals skip a breeding season, potentially reducing population growth. This may be an adaptive decision to protect survival, or a non-adaptive decision driven
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fb0edf5c315a72ce78ad3576d7e224f
https://pubmed.ncbi.nlm.nih.gov/36091339
https://pubmed.ncbi.nlm.nih.gov/36091339
Autor:
Katrin Ludynia, Lauren J. Waller, Pierre A. Pistorius, Monique Ruthenberg, Cuan McGeorge, Arne Purves, Renata Hurtado, Ralph Eric Thijl Vanstreels, Lorien Pichegru, Nola J. Parsons
Publikováno v:
Ostrich: Journal of African Ornithology; Vol 90, No 4 (2019); 359–372
The African Penguin Spheniscus demersus is an endangered seabird endemic to southern Africa, and killing sprees by terrestrial predators have been one of the main threats for its mainland colonies. The methods employed to manage predators may differ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ac4bf1a91916c1614bfd77d91bbc74f
https://doi.org/10.2989/00306525.2019.1697971
https://doi.org/10.2989/00306525.2019.1697971
Autor:
Romy Klusener, Ralph Eric Thijl Vanstreels, Nicola Stander, Stephen van der Spuy, Erna van Wilpe, Tertius A. Gous, Renata Hurtado, Nola J. Parsons
Publikováno v:
Diseases of aquatic organisms. 140
Cryptosporidiumspp. are parasitic intracellular protozoa that infect the digestive, respiratory, and urinary tracts of vertebrates. The disease affects many different avian species across all continents, and >25 species and genotypes ofCryptosporidiu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d81be3e143c36c5065ff6e76e3961ce
https://pubmed.ncbi.nlm.nih.gov/32759472
https://pubmed.ncbi.nlm.nih.gov/32759472
Autor:
Ralph Eric Thijl Vanstreels, Pierre A. Pistorius, Chandré Nell, Adam M. Schaefer, Albert Snyman, Thomas Stracke, Katrin Ludynia, Nola J. Parsons
Publikováno v:
Parasitology
We investigate the factors associated with the occurrence and abundance of external and blood parasites in African penguins (Spheniscus demersus), an endangered seabird that breeds exclusively on the coasts of Namibia and South Africa. External paras
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e35b823890fa5313ae65c248062b8485
https://europepmc.org/articles/PMC10317652/
https://europepmc.org/articles/PMC10317652/
