F Goetz results 26
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To advance understanding of meiofauna, key components of marine benthic ecosystems, an international team conducted a morphology-based taxonomic survey and workshop around São Miguel, the largest Azorean island, in 2019. The survey yielded critical baseline data on meiofaunal diversity and, despite taxonomic challenges that limited identification of certain taxa, laid a solid foundation for further research. To expand these fi...
Using recent genetic history to inform conservation options of two Lesser Caymans iguana (Cyclura nubila caymanensis) populationsNARA Subscribed
The Sister Islands rock iguana ( Cyclura nubila caymanensis ) is critically endangered and endemic to the Caribbean islands Little Cayman and Cayman Brac. The Cayman Brac population and indeed the entire species is under threat from habitat destruction, invasive species, and anthropogenic impacts on the island. We assessed the genetic diversity, estimated effective population sizes, and tested for differentiation of population...
Life‐history variation is the raw material of adaptation, and understanding its genetic and environmental underpinnings is key to designing effective conservation strategies. We used large‐scale genetic pedigree reconstruction of anadromous steelhead trout ( Oncorhynchus mykiss ) from the Russian River, CA, USA, to elucidate sex‐specific patterns of life‐history traits and their heritability. SNP data from adults returning fro...
Carbon uptake in Eurasian boreal forests dominates the high‐latitude net ecosystem carbon budgetNARA Subscribed
Arctic‐boreal landscapes are experiencing profound warming, along with changes in ecosystem moisture status and disturbance from fire. This region is of global importance in terms of carbon feedbacks to climate, yet the sign (sink or source) and magnitude of the Arctic‐boreal carbon budget within recent years remains highly uncertain. Here, we provide new estimates of recent (2003–2015) vegetation gross primary productivity (G...
Prolonging survival in good health is a fundamental societal goal. However, the leading determinants of disability-free survival in healthy older people have not been well established. Data from ASPREE, a bi-national placebo-controlled trial of aspirin with 4.7 years median follow-up, was analysed. At enrolment, participants were healthy and without prior cardiovascular events, dementia or persistent physical disability. Disab...
Testing for hybridisation of the Critically Endangered Iguana delicatissima on Anguilla to inform conservation effortsNARA Subscribed
The Caribbean Island of Anguilla in the north-eastern Lesser Antilles is home to one of the last populations of the Critically Endangered Lesser Antillean iguana Iguana delicatissima . This population is highly threatened primarily because of hybridisation with non-native Iguana iguana . This study assesses the degree of hybridisation between Anguilla’s Iguana species firstly using morphological characteristics and then geneti...
Climate change decreases the cooling effect from postfire albedo in boreal North AmericaNARA Subscribed
Fire is a primary disturbance in boreal forests and generates both positive and negative climate forcings. The influence of fire on surface albedo is a predominantly negative forcing in boreal forests, and one of the strongest overall, due to increased snow exposure in the winter and spring months. Albedo forcings are spatially and temporally heterogeneous and depend on a variety of factors related to soils, topography, climat...
Contemporary climate change in Alaska has resulted in amplified rates of press and pulse disturbances that drive ecosystem change with significant consequences for socio‐environmental systems. Despite the vulnerability of Arctic and boreal landscapes to change, little has been done to characterize landscape change and associated drivers across northern high‐latitude ecosystems. Here we characterize the historical sensitivity o...
Traditional plant functional groups explain variation in economic but not size‐related traits across the tundra biomeNARA Subscribed
Aim Plant functional groups are widely used in community ecology and earth system modelling to describe trait variation within and across plant communities. However, this approach rests on the assumption that functional groups explain a large proportion of trait variation among species. We test whether four commonly used plant functional groups represent variation in six ecologically important plant traits. Location Tundra bio...
Climate warming and drying is associated with increased wildfire disturbance and the emergence of megafires in North American boreal forests. Changes to the fire regime are expected to strongly increase combustion emissions of carbon (C) which could alter regional C balance and positively feedback to climate warming. In order to accurately estimate C emissions and thereby better predict future climate feedbacks, there is a nee...
Diversity of movements by individual anadromous coastal cutthroat trout Oncorhynchus clarkii clarkiiNARA Subscribed
Wild, downstream‐migrating cutthroat trout, Oncorhynchus clarkii clarkii , smolts and adults were captured at a weir in Big Beef Creek, Hood Canal, Washington, surgically implanted with acoustic tags and tracked to identify spring and summer movements using stationary receivers in order to test the assumption that the species moves little while in marine waters. Overall, 93–96% migrated from the stream into the east side of th...
The G reat L akes strain of viral haemorrhagic septicaemia virus IV b ( VHSV ‐ IV b) is capable of infecting a wide number of naive species and has been associated with large fish kills in the Midwestern U nited S tates since its discovery in 2005. The yellow perch, P erca flavescens ( M itchill), a freshwater species commonly found throughout inland waters of the United States and prized for its high value in sport and commer...
Contributory presentations/postersNARA Subscribed