Nature’s Complexity

Environmental Problems & Solutions
December 22, 2019
Demographic Transitions
December 22, 2019

Nature’s Complexity

Nature’s Complexity

NATURE’S COMPLEXITY ecological systems & patterns

1

FIBONACCI SEQUENCES (proportional mathematical patterns in nature)

2

Fractals (patterns repeating at different scales)

Fractals

` lEAVES

Snow-melt drainage & lung oxygen pathways

Cyclonic Clouds

Supernova Explosion

Milky Way Galaxy

Water going down a

drainpipe

5

Carbon Atom

Boron Atom

Our Solar System

Nature’s repeated patterns

6

Interplanetary Nebulae (the birthplace of stars)

Human

Eyes

7

Cosmic Zoom Out/Zoom In Video

Levels of Life

9

Biosphere

Ecosystem

Community

Habitat

Niche

Levels of Life

Biosphere: Contains all life on Earth

Ecosystem: A self-sustaining system of plants, animals and their environment (lake, desert)

Community/Life zone: Smaller version of ecosystem (a specific elevation, one side of a mountain, a tree canopy,etc.)

Habitat: Environment in which an organism lives

Niche: An animal’s functional role within an ecosystem (food chain, decomposer, pollenation, etc.)

What are some habitats of specific animals or plants? (a redwood tree, a crab, a lion, a buffalo, a polar bear, a New York stock broker, an organic farmer, a college student )

10

Ecosystems rely on a food web

Food web & niches within one

community

Losing even one species can have dramatic effects

11

Evolution of an Ecosystem

Patch Dynamics: countless sections of an ecosystem developing at different rates (parallel to polycentric/organic urban development)

Succession of species: Replacement of one species by another in a specific area due to superior adaptation or environmental event (parallel to succession of racial groups in urban areas/heavyweight boxing champ)

Succession: wipes out former species but creates new opportunities

Primary vs Secondary Succession: (video)

How is the climate crisis forcing humans to adapt as a species, or face being replaced?

12

Sounds of the Rainforest

Birds:

Frogs:

Howler Monkeys:

Leaf Cutter Ants:

CaraBlanca Monkeys:

Photosynthesis in plants

Photosynthesis: (making food)

CO2 + water + sunlight =

Sugar(food) + oxygen

During daylight hours/summer

14

Respiration in Plants & Animals

Respiration:

(burning calories)

Sugar + Oxygen =

CO2 + water + heat

During nighttime/winter in plants

accelerated by higher temperatures @ night (global warming)

15

The Carbon Cycle

What ads carbon to our air?

Burning fossil fuels or forest

Respiration in animals & plants

Volcanic activity

What removes carbon from the air?

Photosynthesis

Absorption in ocean (acidification)

What is un-balancing the Carbon Cycle?

Cutting down forest and burning SO MANY fossil fuels.

https://www.youtube.com/watch?v=Sd8D7WyVS6A (video)

16

The Carbon Cycle

17

The Nitrogen Cycle

Chemical fertilizer, sewage, & waste manure

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Nitrogen (N) is 78% of air

Plants absorb (N) from the air through the roots (by bacteria)

(N) in plants is eaten by animals

(N) in animal waste is released into air (by bacteria)

Nitrogen returns to the atmosphere

The Nitrogen Cycle

What is disrupting the Nitrogen cycle?

IN WATER: Chemical fertilizers pollute waterways, generating “algae blooms.” and “dead zones” in oceans

IN WATER: Concentrated livestock waste has similar effect.

IN AIR: N2O produced from cars/industry and chemical fertilizer