Abstract:Elaeagnus angustifolia (Russian olive) is an introduced tree that has become one of the dominant species in many watersheds in the American West. Although it is a target of restoration efforts, very little is known about vegetation response after removal of this exotic species. To address this gap we surveyed 25 sites in Colorado, Wyoming, and Montana where E. angustifolia was removed. We collected information regarding plant cover and richness, climate, soil characteristics, management history, and geography. We analyzed these data using regression tree modeling. Our results indicate that moisture and temperature are key environmental factors relating to restoration success as measured by abundance of native cover; lower temperatures and greater availability of water were generally associated with more native cover. These results have important implications for selection of restoration sites, and for understanding the consequences of removing this species.
Scholarly research has indicated that technology adoption to facilitate blended learning promotes the academic success of many different types of students and improves the quality of existing educational offerings. To understand how technology enhances learning, surveys queried the faculty and students of a statewide community college system. The results indicated widespread technology use among the faculty and students. The faculty survey revealed details of technology tools employed and the motivations for their use or discontinued use. Details regarding faculty use of learning management systems, textbooks, and other media characterized the current technology adoption climate. The student survey collected information about students’ perceptions of how technology influenced their learning, their preferences for specific technology tools, and their student progress. Ninety-three percent of student respondents indicated that technology enhanced their learning. Alignment between the faculty use and student preference for technology tools suggested that students are actively engaged in the technology resources used by faculty to enhance learning. Students described how technology facilitated multimodal learning. They also noted that technology increased communication, access, and inclusion in learning. Successful technology use and integration, accompanied by ongoing scholarly debate and monitoring, has the potential to provide more access, promote learning outcomes, and preserve the investment of technology for the institution. The surveys employed here, when used semi-annually, may provide a low-cost model for technology integration monitoring and evaluation. The responses to the surveys also have the potential to provide technology use and integration data that informs strategic planning processes and institutional learning outcome development.
This paper describes the master course design process at the largest institution of higher education in Colorado, USA. The master course design process demonstrated principles of backwards design and employed a team-based approach to course development. The course map was the primary vehicle for communicating the design of the course during development and later for accountability. This case study presented the redesign of General College Botany. The General College Botany curriculum employed authentic assessment and provided an andragogical learning environment. The central authentic assessment in the course was a term-long research project. Other assignments included wiki-building discussions, traditional quizzes, and at-home labs. The accounting of this process and the assignments described for an online science course provide a template for other institutions to follow when considering the implementation of master courses in higher education settings. As botanical curricula continue to be cut from degree programs and the need for remote learning becomes imminent in the modern world, the scaling of educational resources is facilitated by master course design. Master course design promotes accountability and standardization while also affording a well-researched, constructive, and blended learning environment.
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