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Cophylogenetic relationships of penguins and their chewing lice
(Lincoln University, 2003)
This thesis examines cophylogenetic relationships between penguins (Sphenisciformes) and their chewing lice (Insecta: Phthiraptera: Ischnocera). Penguins are parasitised by 15 species of lice in two genera, Austrogoniodes ...
Antioxidant enzyme activity and lipid peroxidation in Aporrectodea caliginosa earthworms exposed to silver nanoparticles and silver nitrate in spiked soil
(Wiley on behalf of SETAC, 2020-03-18)
Silver nanoparticles (AgNPs) from industrial use, discharged via the land application of sewage sludge, are interacting with soil biota, including earthworms. In affected organisms, excessive production of reactive oxygen ...
Animal welfare information affects consumers’ hedonic and emotional responses towards milk
(Elsevier, 2021-03)
This research aimed to explore the effects of animal welfare information on consumers’ hedonic and emotional responses towards milk. Two studies were conducted. For Study 1, participants (N = 101) were asked to fill out a ...
Multi-country evidence that crop diversification promotes ecological intensification of agriculture
(Macmillan Publishers Limited, 2016-02-22)
Global food security requires increased crop productivity to meet escalating demand. Current food production systems are heavily dependent on synthetic inputs that threaten the environment and human well-being. Biodiversity, ...
Nitrous oxide fluxes, soil oxygen, and denitrification potential of urine- and non-urine-treated soil under different irrigation frequencies
(American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Inc., 2016-07)
© American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. 5585 Guilford Rd., Madison, WI 53711 USA. All rights reserved. Despite increased use of irrigation to improve forage ...
Effects of lime and organic amendments derived from varied source materials on cadmium uptake by potato
(American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Inc., 2017-07)
Repeated applications of Cd-rich phosphate fertilizers have resulted in elevated concentrations of this toxic element in some New Zealand soils. Exceedance of the food safety standard for Cd (0.1 mg kg⁻¹ fresh weight) has ...
Environmental parameters affecting the concentration of iodine in New Zealand pasture
(American Society of Agronomy, Crop Science Society of America & Soil Science of America, 2019-08-21)
Iodine (I) is an essential trace element commonly deficient in agricultural systems. Whereas there is much information on I in food crops, there is a lacuna of knowledge on the environmental factors that affect pasture I ...
Two sphingomyelin synthase homologues regulate body weight and sphingomyelin synthesis in female brown planthopper, N. lugens (Stål)
(Wiley on behalf of the Royal Entomological Society, 2019-04)
Although sphingomyelins known to be are lipid constituents of the plasma membrane in vertebrates, much remains obscure about the metabolism of sphingomyelins in insects. With ultra performance liquid chromatography-time- ...
Conditional facilitation of an aphid vector, Acyrthosiphon pisum, by the plant pathogen, pea enation mosaic virus
(Entomological Society of America, 2010)
Plant pathogens can induce symptoms that affect the performance of insect herbivores utilizing the same host plant. Previous studies examining the effects of infection of tic bean, Vicia faba L. (Fabales: Fabaceae), by pea ...
Eutrophication and climate change impacts of a case study of New Zealand beef to the European market
(Elsevier, 2020-03-25)
Objective: Beef production in the Lake Taupō region of New Zealand (NZ) is regulated for nitrogen (N) leaching. The objectives of this study were to 1) evaluate the implications of nitrogen emission limitations on ...