1020 Final

Maple Sugaring: Traditions, Biology, and Economics (March 17)

• Cultural and Economic Significance     * Maple sugaring is described as a time-honored tradition and a core feature of cultural identity, serving to connect people to their land.     * It acts as a primary economic driver for the Northeast region of North America.

• Botanical Characteristics: The Maple Family (Genus Acer)     * Morphology: Maples are identified by specific leaf morphology (typical maple leaf shape) and opposite branching patterns.     * Species: While any maple can be tapped, the most common species used are the Sugar Maple and Red Maple.     * Distribution: These species are locally dominant and abundant in Northeastern North America. They are widely distributed and sensitive to heat, but drought-resistant and cold-tolerant, though they require specific soil types.

• The Sugarbush Ecosystem     * Defined as a "quasi-natural" entire ecosystem consisting of 50-99% maple trees.     * Includes a diverse array of other plants, animals, fungi, and ecological interactions.

• The Tapping Process and Sap Flow Physics     * Leafless State Sap Flow: Tapping involves a controlled injury to the tree to collect sap while it is in a leafless state.     * Non-Conductive Wood: Areas of the tree previously tapped become non-conductive; sap cannot be extracted from these regions.     * Sustainability: Tap hole dimensions are crucial for sustainability to ensure the injury is balanced with new growth.     * Mechanics of Sap Movement: In cold temperatures, the tree shrinks and "sucks up" water. During a thaw, the tree expands, and sap comes out of the tap holes.     * Vacuum Systems: The use of tubing and vacuum systems produces twice the sap compared to traditional bucket methods.

• Production Trends and History     * Origins: Human observation of animal behavior regarding sap flow led to early production; formal records start as early as 1557.     * Composition: Sap consists of approximately $55\%$ sugar.     * Historical Evolution:         * Before European arrival, many tubing and collection techniques existed.         * 1886: First recorded maple sugar sale. Historically, the product was sold as hard sugar rather than syrup.     * Vermont's Leadership: Vermont leads U.S. production due to its concentrated resources, ideal climate, and depth of knowledge.     * Market Shifts: A huge decline occurred in 1920 due to the shift from an agrarian economy and government subsidies for other sweeteners. However, Vermont has seen a 5x increase in production in the past five years.

Environmentalism, Phenology, and Rachel Carson (March 19)

• The Vernal Equinox     * Defined as the point when the Earth is not tilted towards or away from the sun, resulting in equal hours of light and dark.

• Phenology of Bud Break     * Triggered by warmer temperatures, increased photoperiod (day length), and the fulfillment of extended chilling requirements.

• Evolution of Environmentalism     * Prior to the 1960s (Conservationism): Focused on the preservation of the wild or the sustainable conservation of resources.     * Post-1960s (New Environmentalism): Shifted focus toward environmental problems, particularly pollution.     * Post-WWII Context:         * Successive factors: Baby boom, post-GI Bill housing, development of highways, Federal Housing Administration (FHA) loans, and "white flight."         * A period of intense faith in science and technology, leading to the increased use of chemicals.

• Rachel Carson and Silent Spring (1962)     * Background: Carson was a biologist and writer for the U.S. Fish and Wildlife Service.     * DDT (Dichlorodiphenyltrichloroethane): Initially seen as a "miracle" agent to protect against malaria (de-lousing agent) and typhus. However, Carson highlighted that it created resistant bugs and was harmful to humans.     * The Message: Silent Spring was a national bestseller that told the story of the impact of DDT on birds.     * Reception: The book was highly controversial; critics politicized her principles and even attacked her character.     * The Precautionary Principle: The movement sparked by her work led to the banning of DDT and established the precautionary principle as a standard for environmental action.

• Environmental Policy and the 1970s     * The 1960s saw shifts in awareness and changing values related to civil rights. A growing economy made environmental concern possible.     * First Earth Day (1970): Triggered by public and intense issues like oil spills and environmental disasters.     * EPA Creation: President Richard Nixon created the Environmental Protection Agency (EPA) for research, monitoring, and establishing an "environmental baseline."     * Statute Proliferation:         * NEPA (National Environmental Policy Act)         * CAA (Clean Air Act)         * CWA (Clean Water Act)         * ESA (Endangered Species Act)         * FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act)     * Note: Environmental rights often shift depending on the administration in office.

Atlantic Salmon Restoration and Lake Champlain Development

• Project Context     * Atlantic Salmon restoration projects are overseen by biological project managers.     * Vermont Trends (Since 1950): The population doubled between 1950 and 1955. Dominant industries shifted toward tourism as agriculture declined.     * Development Paradox: Growth and tourism threaten the "humble image" of Vermont.     * Governance: The Vermont Agency of Natural Resources was established in 1970 (associated with ACT 250).

The Winooski River: Ecology and History (March 24)

• Cultural Intersection     * Translation: "Winooski" is an Abenaki word meaning "Onion River."     * The area has transitioned from a working waterfront to a culturally diverse community. Following European settlement, many Abenaki fled north to present-day Quebec.

• Industrial Evolution     * The Milltown dam was built in 1786, driven by Ira Allen. Geology influenced the economy, specifically the development of textile mills.     * American Woolen Co. (1909): Poor working conditions and youth labor issues. As competition increased, mills hired immigrants for cheaper labor, increasing local diversity.     * Lewis Hine: A famous early 20th-century sociologist and photographer who documented child labor in these settings.

• Ecological Challenges and the Winooski Watershed     * Flood of 1927: A major historical event leading to subsequent mitigation efforts.     * Watershed Characteristics: The divide goes through the local campus; much of the mass is east of the Green Mountains (headwaters).     * Priority Challenges:         1. Phosphorus (P): Leading to algae blooms.         2. Sediment: Transports minerals and phosphorus.         3. Connectivity: Culverts and dams interrupt river flow and fish passage.         4. Chloride: Resulting from road salt application.     * Mitigation and Restoration: Use of fish elevators for Atlantic Salmon, restoration of floodplain forests (which include short trail systems), and storm management.     * Socio-economics: Residents in certain watershed areas are three times more likely to live in poverty.

Environmental Law: Statutes and Jurisdiction (March 26 & 31)

• Framework of Environmental Law     * Consists of statutes, regulations, court decisions, and international law.     * Functions: Imposes precaution, protects people/places, internalizes externalities, balances protection with costs, pushes clean technology, and authorizes or prevents development.     * Externality Definition: A visual or physical side effect of economic activity that affects a third party without being reflected in the market price ($).

• The Commerce Clause and Navigability     * The Commerce Clause is expansive and flexible.     * Rivers and Harbors Act of 1899: Regulated pollutants in streams to maintain navigability for commerce.     * Floating Log Test: Used to determine if a waterway could support interstate commerce.

• The Clean Water Act (1972)     * Objective: To regulate "navigable waters," defined as "the waters of the U.S. and territorial seas."     * Challenge: The definition of "Waters of the United States" (WOTUS) has not been further clarified in the statute, leading to significant legal confusion.

• Key Supreme Court Cases     * Migratory Bird Rule: Initial logic stated that if ducks use a wetland, it falls under federal jurisdiction.     * Rapanos v. U.S.: Resulted in a 4-1-4 plurality opinion with three different interpretations, creating a "middle ground" for water rights.     * WOTUS Rule Administration "Ping-Pong":         * Bush (1985): Established basic regulations.         * Obama: Introduced the Clean Water Rule (CWR) to expand WOTUS.         * Trump: Rescinded CWR and adopted the Navigable Waters Rule (NWR) to restrict jurisdiction.         * Biden: Rescinded the Trump rule.     * Sackett v. EPA (2023): Justice Alito's opinion stated that the act only extends to wetlands with a "continuous surface connection" to navigable waters. This significantly reduced federal protection, leaving approximately half of wetlands in states like North Carolina without protection.

Landscape Ecology and Fragmentation (April 2)

• Landscape Fundamentals     * Landscape: A miles-wide mosaic where land uses and ecosystems occur.     * Landscape Ecology: The study of how spatial patterns work with ecological processes.     * Mosaic Components:         1. Patch: An "island" of habitat that differs from the surrounding area.         2. Edge: The boundary where two habitat types meet (e.g., a road corridor). Characteristics differ in moisture, sun, and wind.         3. Matrix: The most extensive and connected element (the "background" land).

• Case Study: The Wood Thrush     * Specs: Lives 8-10 years; weighs $1.5\,\text{ounces}$.     * Diet: Invertebrates from the forest floor.     * Habitat: Mature deciduous or mixed forest with tall trees and dense understory.     * Migration: Neotropical migrant traveling $2,000\,\text{miles}$ from Central America to Vermont.     * Decline: 60% loss since 1970 due to habitat loss, deer overbrowsing the understory, and industry in Central America.

• Fragmentation vs. Parcelization     * Habitat Fragmentation: The separation of land into numerous small, disjunct habitats (e.g., residential development in Vermont).     * VT Forest Ownership: 64% family/individuals, 15% private/corp, 11% federal, 8% state, 2% local. Most owners are elderly, leading to increased parcelization (breaking land into smaller ownership units).

• Edge Effects and Species Preferences     * Edge Sensitivity: Predators can reduce nesting success up to $100\,\text{yards}$ from a forest edge.     * Forest-Interior Specialists: Species that cannot thrive on edges.     * "Edgy" Species: Grey Catbird and American Robin.     * Umbrella Species: Large-area requiring species; preserving them "dominos" into protecting many others.

• Land Conservation Tools     * Land Trust: A non-profit organization focused on land conservation.     * Conservation Easement: A non-possessory interest in someone's land that restricts development for natural or scenic resources. The owner retains possession and management.     * IRC Section 170: Provides tax incentives for charitable contributions of land for perpetual conservation purposes.

Superfund, Remediation, and Ecological Design (April 7)

• Conservation Initiatives     * 30 by 30: A "conservation moonshot" goal to protect 30% of land by 2030.     * 50 by 2050: Longer-term goal for 50% protection.

• Superfund (CERCLA 1980)     * Operates on the "Polluter Pays" principle.     * Contains 40,000 sites, with 1,600 on the National Priorities List (NPL).     * Pine Street Barge Canal (Burlington, VT): A major site where coal gasification byproducts (coal tar) and oil drums were dumped. It halted the "Champlain Parkway."     * Love Canal: One of the most dramatic U.S. disasters (1960s-80s); caused birth defects and miscarriages; site was capped and sold to Niagara Falls.

• Remediation and Restoration     * Environmental Remediation: Removal of contaminants for human health.     * Bioremediation: Using microorganisms/plants. Mycoremediation specifically uses fungi.     * Ecosystem Restoration: Assisting the recovery of degraded or destroyed ecosystems. Controversial because ecosystems are not static.     * Ecological Design Principles: Solutions should grow from place and be informed by ecological accounting.

Human Relationships with Nature

• The Nature Record (Biden vs. Trump)     * A group banded together to release findings independently when the federal government (under Trump) stopped supporting it.     * Relationships Spectrum:         1. Nature for itself: Intrinsic/inherent value; strictly protected areas.         2. Nature despite people: Nature endures and survives (e.g., a tree in a sidewalk crack).         3. Nature for people: Nature as a resource for lumber, food, and recreation.         4. People and Nature: Dynamic, separate, but reciprocal relationship (comanagement).         5. People with Nature: No separation; nature as "kin" (e.g., First Salmon Ceremonies).

Outdoor Recreation and Soundscapes (Dean Peter Newman)

• Visitor Carrying Capacity (VCC)     * Originating from Frederick Law Olmsted (Shelburne, Central Park, Yosemite).     * The point at which visitor levels affect the resource or the experience sought.     * Soundscapes: 93% of VT residents participate in outdoor rec. Human-caused noise affects wildlife and human health (linked to cortisol and heart issues).     * Listening Domes: The need to keep spaces large enough to hear predators and prey.     * Take Home: Parks provide cognitive restoration; access to nature is part of public health and "homeland security."

Bird Population Assessment (Allan Strong)

• Keystone Functions: Cavity makers and seed dispersal (fruiting/excretion).

• Monitoring Methods:     * Breeding Bird Survey (BBS): 50 years of volunteer data; $25\,\text{mile}$ routes with 50 stops.     * ebird: Global database with approximately 2 billion submissions.

• Vermont Status:     * 205 breeding birds; 181 "regularly" breeding. Over 1/3 of VT breeding species are declining.     * Trends: Meadowlarks decreasing most; Red-bellied Woodpeckers increasing most.     * Groups at risk: Aerial insectivores (insecticides), grassland birds (loss of farms), and shrubland birds.

• Focal Species: Pileated Woodpecker, Scarlet Tanager, Chestnut-sided Warbler, Black-throated Warbler, Common Loon, Hermit Thrush, Peregrine Falcon, Bobolink, Wood Duck, Blackburnian Warbler.

Bioregionalism and Economies (Walt & Dr. Erickson)

• Bioregionalism Concepts (Walt)     * Bioregion: A self-organizing area based on ecology and human activity, not political boundaries (e.g., watersheds).     * Ahupua'a: Hawaiian watershed-scale land section.     * Regeneration: Emphasizes self-sufficiency and local sustainability over global monoculture.

• Bioregional Economies (Dr. Erickson - April 23)     * Etymology: Oikos meaning "household."     * Economic Paradigms:         1. Human Exceptionalism: Ideology of separation; narrow conception of self as "cog in the machine."         2. Reconciliation Project: Humans as part of the community of life; relational, place-based economies.     * Herman Daly: Visualized the economy as a box within the larger circle of the ecosystem.     * Integration Choices:         * Economic Imperialism: Reducing the ecosystem to dollar values.         * Ecological Reductionism: Reducing economy to biology.         * Steady State/Nested System: The preferred bioregional model.     * Six Functions of Bioregional Living: Self-propagation, self-nourishment, self-education, self-governance, self-healing, and self-fulfilling activities.

Public Trust Doctrine and Rights of Nature (April 28)

• Public Trust Doctrine     * The state acts as a trustee for resources ("res") like water and submerged lands for the beneficiaries (the people).     * Key Law: Martin v. Waddel ("if it's wet, you have a right to be there") and Illinois Central Railroad v. Illinois (1892).

• Ecologicalization of Law     * Green Amendment: Incorporating fundamental environmental rights into constitutions for judicial review.     * Rights of Nature: Giving nature legal standing, as seen in Ecuador, New Zealand, and the Lake Erie Bill of Rights. This shifts the focus from humans at the top to humans as a part of the ecosystem.