5 research outputs found
Recommended from our members
Cryptic genetic diversity and associated ecological differences of Anastatus orientalis, an egg parasitoid of the spotted lanternfly
Anastatus orientalis, native to northern China, is an egg parasitoid wasp of the spotted lanternfly (Lycorma delicatula) and is being tested as a potential biological control agent for invasive L. delicatula in the United States. As a component of these evaluations, live A. orientalis collected from Beijing and Yantai in China were reared in containment in the U.S. These specimens showed different responses in diapause behaviors to rearing conditions used previously by other researchers. To understand the primary mechanism potentially driving discrepancies in important life history traits, we used molecular tools to examine the genetic composition of A. orientalis from China and from South Korea, where the parasitoid has been introduced to aid in the population management of invasive L. delicatula. Molecular analysis of mitochondrial DNA recovered six haplotype groups, which exhibit biased frequency of abundance between collection sites. Some haplotypes are widespread, and others only occur in certain locations. No apparent pattern is observed between wasps collected from different years or emergence seasons. Uncorrected genetic distances between haplotype groups range from 0.44% to 1.44% after controlling for within-group variation. Genetic variance of A. orientalis is characterized by high levels of local diversity that contrasts with a lack of a broad-scale population structure. The introduced Korean population exhibits lower genetic diversity compared to native populations. Additionally, we created iso-female lines for major haplotype groups through laboratory rearing. Differences in diapause behavior were correlated with mitochondrial haplotype. Our results indicate that the observed life history traits in A. orientalis have a genetic base
Recommended from our members
Oil Spills
While the global market is still highly dependent on oil and fossil fuels, society must be aware of the dangers and repercussions of mishandling of this oil. Oil spills are too often forgotten about after the original media rush, and conversations about cleanup methods are neglected. In this case study, we have students to look into the ramifications of an important oil spill, the Deepwater Horizon oil spill in 2010. We challenge students to look into possible cleanup solutions for oil spills in order to encourage critical thought around an issue that is common in today’s world.
In this case study, students can choose the topic they wish to study and do original research. Students will then communicate their original conclusions outside the classroom. By creating their own research and having a product leave the classroom, students will be invested in their work and feel like they are contributing to the global conversation about oil spills.
Recommended Citation:
Carey, Dominique Kiki, Corrine Losch, Rebecca Howard, Erica Light, and Stephanie Purington. Oil Spills Scholarworks. scholarworks.umass.edu Case Study Lesson Plans for Teachers., July 2016. Web. http://scholarworks.umass.edu/icons_casestudy_gallery/2/.https://scholarworks.umass.edu/icons_casestudy_gallery/1001/thumbnail.jp
Recommended from our members
Antibiotic Resistance
Many people think that a world without antibiotics is a thing of the past, but we are on the cusp of becoming a generation without cures to the simplest bacterial infections. The more often we expose bacteria to antibiotics, the higher the chance of resistance to the drug forming. In today’s society, where any health issue is met with a drug and livestock are being pumped full of antibiotics, more infections are growing resistant to the drugs we use to combat them. Students will investigate the current situation, find solutions to the waning effectiveness of antibiotics, and encourage a behavioral change in society.
In this case study, students can choose the topic they wish to study and do original research. Students will then communicate their original conclusions outside the classroom. By creating their own research and having a product leave the classroom, students will be invested in their work and feel like they are contributing to the global conversation about antibiotic resistance.
Recommended citation:
Carey, Dominique Kiki, Corrine Losch, Rebecca Howard, Erica Light, and Stephanie Purington. Antibiotic Resistance Scholarworks. scholarworks.umass.edu. Case Study Lesson Plans for Teachers., July 2016. Web. http://scholarworks.umass.edu/icons_casestudy_gallery/4/.https://scholarworks.umass.edu/icons_casestudy_gallery/1003/thumbnail.jp
Recommended from our members
Sustainability
In the face of climate change, overflowing landfills, water shortages, and exploitation of natural resources, it is becoming increasingly important to act in responsible and sustainable ways. Environmental sustainability is the intersection of social, economic and environmental solutions to address issues threatening the world we live in. Too often in our society, sustainability is not prioritized and becomes an afterthought. In this case study, we challenge students to explore ways to make our world more sustainable, bringing these important issues into the consciousness of the next generation.
In this case study, students can choose the topic they wish to study and do original research. Students will then communicate their original conclusions outside the classroom. By creating their own research and having a product leave the classroom, students will be invested in their work and feel like they are contributing to the global conversation about sustainability.
Recommended Citation:
Carey, Dominique Kiki, Corrine Losch, Rebecca Howard, Erica Light, and Stephanie Purington. Sustainability Scholarworks. scholarworks.umass.edu. Case Study Lesson Plans for Teachers., July 2016. Web. http://scholarworks.umass.edu/icons_casestudy_gallery/1/ .https://scholarworks.umass.edu/icons_casestudy_gallery/1000/thumbnail.jp
Recommended from our members
Ocean Acidification
It is hard to imagine that, as humans, we could significantly change the vast expanses of the open ocean. However, as we release more and more carbon dioxide into the atmosphere, it diffuses into the oceans, making them increasingly more acidic. Ocean acidification is often described as the lesser known twin of climate change. A drop in pH could endanger shelled organisms, change fish behavior and have unpredictable consequences on countless other species as well as our own society. Ocean acidification has the potential to cause devastating changes, so it is critical that we all develop more awareness of it.
In this case study, students can choose the topic they wish to study and do original research. Students will then communicate their original conclusions outside the classroom. By creating their own research and having a product leave the classroom, students will be invested in their work and feel like they are contributing to the global conversation about ocean acidification.
Recommended citation:
Carey, Dominique Kiki, Corrine Losch, Rebecca Howard, Erica Light, and Stephanie Purington. Ocean Acidification Scholarworks. scholarworks.umass.edu. Case Study Lesson Plans for Teachers., July 2016. Web. http://scholarworks.umass.edu/icons_casestudy_gallery/3/.https://scholarworks.umass.edu/icons_casestudy_gallery/1002/thumbnail.jp