Physical Sciences and Mathematics Commons^™

Understanding How Changes In Precipitation Intensity Will Affect Vegetation In The Western U.S., Cristina Chirvasa

Fall Student Research Symposium 2021

Precipitation events are becoming more intense as the atmosphere warms, but it remains unclear how precipitation intensification will affect plant growth in arid and semiarid ecosystems. There is conflicting evidence suggesting that larger precipitation events may either increase or decrease plant growth. Here, we report the growth responses of herbaceous and woody plants to experimental manipulations of precipitation intensity in a cold, semi-arid ecosystem in Utah, USA. In this experiment, precipitation was collected and redeposited as fewer, larger events with total annual precipitation kept constant across treatments. Results from the first two growing seasons revealed that more intense events ‘pushed’ …

Ecological Risk Assessment For The Temperate Demersal Elasmobranch Resource, Maddison Watt, Matias Braccini, Kim Smith, Mathew Hourston

Fisheries research reports

In March 2021, the Department of Primary Industries and Regional Development convened an ecological risk assessment (ERA) of the fisheries that access the Temperate Demersal Elasmobranch Resource. The ERA considered the potential ecological impacts of the Temperate Demersal Gillnet and Demersal Longline Fisheries and recreational fishers who catch sharks and rays. The assessment evaluated the impact of each fishing sector/method on all relevant retained and bycatch species, endangered, threatened and protected species, habitats and the broader environment.

The Sandhill Crane State: A Naturalist’S Guide To Nebraska, Paul Johnsgard

Zea E-Books Collection

This book includes the locations, descriptions, and points of biological, historical, geological, or paleontological interest of nearly 350 sites in Nebraska, most of which are free to access. Its 53,000 words include accounts of 9 state historical parks, 8 state parks, 2 national forests, 2 national monuments, and 7 national wildlife refuges as well as 181 wildlife management areas, 56 waterfowl production areas, and 54 state recreation areas. It also includes 48 state and county maps, 18 drawings, 33 photographs, and nearly 200 literature citations.

doi: 10.32873/unl.dc.zea.1305

Squid And Cuttlefish Resources Of Western Australia, Daniel E. Yeoh Phd, Danielle J. Johnston Phd, David C. Harris

Fisheries research reports

This report provides a description and assessment of the squid and cuttlefish resources of Western Australia, and all of the fishing activities (i.e. fisheries / fishing sectors) affecting these resources. Encompassed are multiple species in the orders Oegopsida and Myopsida (squid or ‘calamari’) and Sepiida (cuttlefish), including; southern calamari (Sepioteuthis australis), northern calamari (Sepioteuthis lessoniana), Gould’s squid (Nototodarus gouldi), loligo squids Uroteuthis (Photololigo) spp.,giant cuttlefish (Sepia apama), broadclub cuttlefish (Sepia latimanus) and pharaoh cuttlefish (Sepia pharaonis).

2021 Assessment Of The Status Of The West Coast Demersal Scalefifish Resource, David Fairclough, E. A. Fisher, Sybrand Alex Hesp, Ainslie Denham, Rachel Marks

Fisheries research reports

No abstract provided.

2021 Assessment Of The Status Of The West Coast Demersal Scalefish Resource, David V. Fairclough, Sybrand Alex Hesp, Ainslie Denham, Emily A. Fisher, Rachel Marks, Karina L. Ryan, Elaine Lek, Rhys Allen, Brett M. Crisafulli

Fisheries research reports

A recovery program for the West Coast Demersal Scalefish Resource was introduced between late 2007 and early 2010, based on the maintenance of retained catches of demersal species (overall suite and each indicator species) by both the commercial and recreational sectors below 50% of the catches reported in 2005/06 (original catch recovery benchmarks).

Catch reductions were aimed at reducing exploitation levels (F, long-term fishing mortality of the key indicator species’ stocks) to below the threshold reference point (F = M, the natural mortality rate), which would then allow stocks to recover to above the …

Ecological Risk Assessment For The Temperate Demersal Elasmobranch Resource, Department Of Primary Industries And Regional Development, Western Australia

Fisheries research reports

No abstract provided.

Squid And Cuttlefish Resources Of Western Australia, Daniel Yeoh, Danielle J. Johnston Phd, David C. Harris

Fisheries research reports

No abstract provided.

Otoliths Of South-Western Australian Fish: A Photographic Catalogue, Chris Dowling, Kim Smith, Elain Lek, Joshua Brown

Fisheries research reports

No abstract provided.

Primary Industries Development Research Highlights 2021, Department Of Primary Industries And Regional Development, Tim Scanlon

Books & book chapters

The Primary Industries Development Research Highlights 2021 showcases the breadth and depth of the Department of Primary Industries and Regional Development’s research and development activities over the past several years.

Stories featured in Research Highlights 2021 stem from about 60 (of 140) current and recently-completed projects undertaken by the Department of Primary Industries and Regional Development’s (DPIRD) 1100 scientists, technical experts and economists throughout the State.

Explore our Research Highlights 2021.

The publication demonstrates the innovative and applicable research that DPIRD and its collaborators and investment partners deliver to Western Australia.

Download the Research Highlights 2021 here. Alternatively, …

S Is For Sandhill: A Crane Alphabet, Paul A. Johnsgard

Zea E-Books Collection

This is a book of cranes, from A to Z, written and illustrated by the world’s foremost authority on the 15 species of these wonderful and ancient birds. It is a book for all ages, and for all who love and marvel at the beauty, order, and variety of the natural world.

Cranes exhibit complex behavior, pair-bonding, and fascinating social interactions. They migrate huge distances, crossing continents, oceans, and mountains between their nesting and wintering areas. Seven of the world’s 15 crane species are listed as “vulnerable,” three as “endangered,” one as “critically endangered,” and only three as of “least …

Overcoming The Overgeneration Of Renewables, Joshua Kaze, Ryan Barnard

Undergraduate Research Symposium Posters

Many states are addressing the issues of climate change, by changing how they produce their energy. The effects of these policies are causing many renewable sources to be underutilized. This paper analyzes how the diversification of energy generation is leading to inefficiencies in the California energy market and the western US market as a whole. The change in curtailment of non-dispatchable renewables is positively correlated with the growth of renewables. Summary statistics and regression analysis show that an increasing portion of renewables is being wasted as the quantity of renewables is increasing. The Renewable Portfolio Standards (RPS) that California introduced …

Examining Natural Resource Conservation: In The Classroom, Through Collaborative Conservation, And Across Public Communication Platforms, Shauni Seccombe

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

Future Energy: Opportunities & Challenges, Thomas W. Kerlin

Open Textbooks

Future Energy: Opportunities & Challenges was originally published in 2013 by the International Society of Automation. Rights for this work have been reverted to the authors by the original publisher. The author has chosen to license this work with a Creative Commons Attribution 4.0 International license (see https://creativecommons.org/licenses/by/4.0/).

Click the blue Download button to download the full book PDF, or download individual chapters from the list.

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