Disruptions can cause changes in the number and variety of organisms. The book arose out of appeals from colleagues in science and industry for a plainly written account of what resilience is all about and how a resilience approach differs from current practices. I can identify factors that can affect the stability of an ecosystem size, frequency of disturbance, proximity to humanity. Hydrologic variability has an important impact on ecosystem dynamics, food security and societal reliance on ecosystem. Disturbances are key drivers of forest ecosystem dynamics, and forests are well adapted to their natural disturbance regimes.
Ecosystem dynamics, functioning and resilience issues are tackled in this chapter to help you get prepared for the tasc science test. Ecosystem functioning and resilience depends on a dynamic relationship within species, among species and between species and their abiotic environment, as well as the physical and chemical interactions within the. In this module we will be talking about ecosystem dynamics, how ecosystems change over time. Ecological resilience an overview sciencedirect topics. Extreme fluctuations in conditions or the size of any population, however, can challenge the functioning of ecosystems in terms of resources and habitat availability. Disturbance legacies increase the resilience of forest. We also call for greater attention toward ecosystem sciences for understanding longterm ecosystem integrity and ecosystem functioning, and thus the resilience of an ecosystem against human driven.
Ecosystem dynamics, functioning, and resilience a complex set of. Chapter 2 introduced the concept of ecosystem services and outlined an ecosystem services approach to damage assessment for events such as the deepwater horizon dwh oil spill. Ecosystem resilience an overview sciencedirect topics. Cycles of matter and energy transfer in ecosystems.
For grade 3, these standards are about changes in ecosystems and how they affect animal populations. Keystone species tend to have an effect on ecosystem function that is disproportionate to their abundance in an ecosystem. Lesson plans for the week of december 1620, 20 ls2. Grade 6 science, unit 3 ecosystem dynamics, functioning, and resilience bristolwarren, central falls, cranston, segue institute for learning, tiverton, and woonsocket, with process support from the charles a. Disruptions to any physical or biological component of an ecosystem can lead to shifts in all of its populations. Although potentially lessimportantintheshortterm,biodiversity,encompassingvariation from 2 within species to across landscapes, may be crucial for the longerterm resilience of ecosystem functions and the services that they underpin. Optimizing the design solution analyzing and interpreting data, engaging in argument from evidence, cause and effect, scale, proportion and quantity, systems and system models, science is a human endeavor plus. Hsls26 ecosystem dynamics, functioning, and resilience. Ecosystem dynamics, functioning, and resilience when the environment changes in ways that affect a places physi cal characteristics, temperature, or availability of resources, some organisms survive and reproduce, others move to new locations, yet. Global change may affect the resilience of ecosystem functions by altering community composition. Ecosystem dynamics identifies positive and negative feedback loops as the basic. Biodiversity describes the variety of species found in earths terrestrial and oceanic ecosystems. Searching for an eccentric way to enhance lessons on ecosystems while ensuring pupils remain creative and motivated. The two types of resilience discussed in the book, that is, ecosystem.
The completeness or integrity of an ecosystem s biodiversity is often used as a measure of its health. Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its. The amazon rain forest has a complex food web and high species diversity. A simulation model is an ecosystem model that is created using complex computer algorithms to holistically model ecosystems and to predict the effects of.
After reading about ecosystem dynamics, functioning, and resilience, take the short answer quiz to text your comprehension. Is that something that only comes about after long. Msls24 biodiversity describes the variety of species found in earths terrestrial and oceanic ecosystems. Next generation science standards life science disciplinary core idea 2c.
What is most likely to happen when a primary consumer goes extinct in the amazon. Chapter 2 biodiversity, ecosystems and ecosystem services. Seuss, designated groups design and construct a popup book that depicts the specific ways humans have affected the environment in both positive and negative ways. Suding, peter society for ecological restoration international. Grade 3 ecosystem dynamics, functioning, and resilience. Ecosystem dynamics an overview sciencedirect topics. What happens to ecosystems when the environment changes. Learn what an ecosystem is, how energy and matter move through ecosystems, and what makes an ecosystem stable. Ecosystem resilience is the inherent ability to absorb various disturbances and. The chapter gives you numerous selfassessment opportunities by including practice quizzes throughout. Similarly, an ecosystem engineer is any organism that creates, significantly modifies, maintains or destroys a habitat.
Resilience and ecosystem services an ecosystem services. New models for ecosystem dynamics and restoration ebook written by richard j. It focuses attention on system dynamics and how systems are affected by. We identify two qualitatively different patterns of development, linear and nonlinear. It can also lead to migration, extinction or even speciation. I can describe how the stability of an ecosystem determines how it will respond to a natural or human induced disturbance. Biodiversity, ecosystems and ecosystem services 5 1 introduction this chapter explores current understanding of the relationships between biodiversity, the structure and functioning of ecosystems, and the provision of ecosystem services. Ecosystem dynamics, functioning, and resilience multiple choice environmental issues logged in as bingbot. Ls2c ecosystem dynamics, functioning and resilience youtube. In resilience thinking, scientist brian walker and science writer david salt present an accessible introduction to the emerging paradigm of resilience. Practices, crosscutting concepts, and core ideas pages 154155.
Biodiversity determines an ecosystems composition, structure, and function. The ecosystem studies program es supports investigations of ecosystem structure and function across a diversity of spatial and temporal including paleo scales to advance understanding of. On the other hand, the speed with which it returns to its initial state after disturbance is called its resilience. Newsela is an instructional content platform that supercharges reading engagement and learning in every subject. Ecosystem dynamics, functioning, and resilience multiple.
Disturbance legacies increase the resilience of forest ecosystem structure, composition, and functioning. New models for ecosystem dynamics and restoration by. Ecosystem dynamics, functioning, and resilience summit learning. Ecosystem dynamics, functioning, and resilience multiple choice. Pore over this chapters lessons to get a better idea of an array of ecosystem factors that may surface as youre. The computational aquatic ecosystem dynamics model caedym.
A relatively high interannual variability is a distinctive feature of the hydrologic regime of dryland regions, particularly at the desert margins. Grade 6 science, unit 3 ecosystem dynamics functioning and. Ecosystem resistance and resilience are especially important when considering human impact. Human disturbances to ecosystems can overwhelm the ecosystem s resilience, crippling its ability to return to equilibrium. Ecosystem dynamics, functioning, and resilience ecosystems are dynamic in nature. The nsta next generation science standards hub offers information, resources, news, professional learning opportunities, and expert advice in understanding and implementing the next generation science standards ngss. Disruptions can cause changes in the number and variety of. Organisms can be made of a single cell or millions of cells working together and include animals, plants. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
An analytical model is an ecosystem model that is created using simple mathematical formulas to predict the effects of environmental disturbances on ecosystem structure and dynamics. Ecosystem dynamics, functioning, and resilience reading. The nature of an ecosystem may change to such a degree that it can lose its resilience entirely. Ecosystem dynamics, functioning, and resilience the. Evaluate competing design solutions for maintaining biodiversity and ecosystem services.
Ecosystem dynamics, functioning, and resilience multiple choice environmental issues exploring nature educational resource. However, as a result of climate change, disturbance frequency is expected to increase in the future in many. Ecosystem dynamics identifies positive and negative feedback loops as the basic mechanism through which biological creatures and whole ecosystems regulate themselves and change over time. Ecosystem dynamics is the study of how ecosystems change over time. Download for offline reading, highlight, bookmark or take notes while you read new models for ecosystem dynamics and restoration. Citing for websites is different from citing from books, magazines and periodicals. This bundle includes ageappropriate resources about ecosystem dynamics, functioning, and resilience and biodiversity and humans including. Disruptions in the physical and biological components of an ecosystem which can lead to shifts in the types and numbers of the ecosystem s organisms.
These changes will likely have significant impacts on marine biodiversity and ecosystem functioning because kelps are foundation species for hundreds if not thousands of habitat. Ls2c ecosystem dynamics, functioning and resilience. Ecosystem dynamics ecosystem dynamics is the study of how ecosystems change over time. This chapter addresses resilience and its relationship to ecosystem services. Dana center at the university of texas at austin 3 ms. Dci ecosystem dynamics, functioning, and resilience. Reading, color diagrams, activities, performance tasks and assessment 26 pages total. In this video paul andersen explains how ecosystems respond to disruptions. Hsls27 design, evaluate, and refine a solution for reducing the impacts of human activities on the environment biodiversity. This ecosystem dynamics lesson plan is suitable for 9th 12th grade.
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