Wherein good design in front makes less work behind!
Ahllan wa sahllan!
My name is Murad and I am here to tell you, permaculture is the way to go, man!
Permaculture is PERMAnant agriCULTURE...
"The more you understand, the more you can put nature to work for you, the less you need."
"That's right. You should be thinking of getting out of work in six years time. You should be moving to where you don't have to move, you're just running around on the farm and admiring the ways the trees are working for you. This mate of mine... he's got a great big sign up on his farm, and it says: 'Employed on this farm are one stockman, one irrigation man and 50 billion worms. That's all.'"
Permaculture is the design of human living spaces around environmental principles.
Permaculture is not an end or destination, but rather a means or road leading towards sustainable and ecologically sound ways to meet human needs.
Permaculture uses thoughtful observation rather than mindless labor. It uses cunning not resources. It works to slow the rate of increase of entropy (disorder). It turns waste to resources problems into assets. Permaculturists treat every situation differently work parallel to nature not at right angles to it. They care for the earth, care for people, give away surplus, and always pick up hitch-hikers.
Anyone can benefit from using the principles of permaculture design. You don't have to pay for a workshop, you can go to the libary or searh the internet for lots of free and useful information that will get you started. To become a "practitioner" in the sense of using the term as a form of commercial livelihood as a teacher or advisor, you must first take a Permaculture Design Course and be certified. Instructors require additional time in practice and as an assistant workshop provider before becoming qualified to teach. Permaculture Design Courses are going on regularly in scores of nations now. There are regular convergences of Permaculture teachers and practitioners, scholarly journals, and many Institutes for advancement of the design science. Useful guidance in becoming more proficient and graduating to become an instructor is available from Scott Pittman and the Permaculture Institute.
What is Permaculture?
Principles of Permaculture
Where can I get a Course in Permaculture?
Energy and Permaculture by David Holmgren
Links to Online Resources
WHAT IS PERMACULTURE?
Permaculture is an approach to land use is a philosophy is a lifestyle works with, rather than against nature creates homes that resemble natural ecosystems in their efficiency, productivity, health and beauty, and is concerned with farming, landscaping and gardening, but also includes plumbing, heating, architecture and money management
Permaculture attempts to answer the question: How can we live on this planet in a graceful and healthy way, respecting the plants and animals around us, and leaving the biosphere in a more productive and healthy state than we found it?
The answer, complex and fascinating, weaves together microclimate, annual and perennial plants, animals, soil and water management, and human needs into intricately connected, productive communities.
Here's an example of a Permacultural approach to a common problem. Let's say you want to partly heat your home with wood. First, you buy a very efficient wood stove. Next, you need to locate and design your wood storage. You decide to cover it to keep the wood dry, and to include an overhang to keep you dry and comfortable when you go to get the wood. Next, you decide that the wood must be convenient to the door closest to the woodstove, to save you time and effort. And you decide that it must be at least 15 feet from the house, to minimize the chance of your house becoming colonized by carpenter ants or termites brought in on the wood. Now that you have located the woodshed, you notice the opportunities you will have created. The woodshed roof can be built almost flat, a railing built around it, and a ladder up to it for a children's play platform. Railed off on one end, you can locate a honeybee hive, with the bees' flight pattern conveniently out of your, and the children's way. The woodshed roof can have a gutter, to direct rainwater to a small pond or swale that you dig nearby. This will collect the rainwater and allow it to percolate into the ground. Now you have a wet spot. You can take advantage of that by planting a pair of kiwis on a mound next to it - they need the summer soil moisture - and training their long, lovely twining branches onto the railing of the play platform - very convenient for harvest.
Permaculture Ethics and Principles
System yield is the sum total of surplus energy produced by, stored, conserved, reused, or converted by the design. Energy is in surplus once the system itself has available all its needs for growth, reproduction and maintenance. Unused surplus results in pollution and more work.
The only ethical decision is to take responsibility for our own existence and that of our children.
Cooperation, not competition, is the very basis of future survival and of existing life systems.
Principles of Permaculture
Relative Location Components placed in a system are viewed relatively, not in isolation. Functional Relationship between components.
Everything is connected to everything else Recognize functional relationships between elements.
Every function is supported by many elements - Redundancy Good design ensures that all important functions can withstand the failure of one or more element.
Every element is supported by many functions Each element we include is a system, chosen and placed so that it performs as many functions as possible.
Local Focus "Think globally - Act locally" Grow your own food, cooperate with neighbors. Community efficiency not self-sufficiency.
Diversity As a general rule, as sustainable systems mature they become increasingly diverse in both space and time. What is important is the complexity of the functional relationships that exist between elements not the number of elements.
Biological Resources We know living things reproduce and build up their availability over time, assisted by their interaction with other compatible elements. Use and reserve biological intelligence.
One Calorie In/One Calorie Out Do not consume or export more biomass than carbon fixed by the solar budget.
Stocking Finding the balance of various elements to keep one from overpowering another over time. How much of an element needs to be produced in order to fulfill the need of whole system?
Stacking Multi-level functions for single element (stacking functions). Multi-level garden design, ie., trellising, forest garden, vines, groundcovers, etc.
Succession Recognize that certain elements prepare the way for system to supports other elements in the future, i.e.: succession planting.
Use Onsite Resources Determine what resources are available and entering the system on their own and maximixe their use.
Edge Effect Ecotones are the most diverse and fertile area in a system. Two ecosystems come together to form a third which has more diversity than either of the other two, i.e.: edges of ponds, forests, meadows, currents etc.
Energy Recycling Yields from system designed to supply onsite needs and/or needs of local region.
Small Scale Intensive Systems start small and create a system that is managable and produces a high yield.
Make Least Change for the Greatest Effect The less change that is generated, the less embedded energy is used to endow the system.
Planting Strategy 1st-natives, 2nd-proven exotics, 3rd unproven exotics - carefully on small scale with lots of observation.
Work Within Nature Aiding the natural cycles results in higher yield and less work. A little support goes along way.
Appropriate Technology The same principles apply to cooking, lighting, transportation, heating, sewage treatment, water and other utilities.
Law of Return Whatever we take, we must return Every object must responsibly provide for its replacement.
Stress and Harmony Stress here may be defined as either prevention of natural function, or of forced function. Harmony may be defined as the integration of chosen and natural functions, and the easy supply of essential needs.
The Problem is the solution We are the problem, we are the solution. Turn constraints into resources
Mistakes are tools for learning
The yield of a system is theoretically unlimited The only limit on the number of uses of a resource possible is the limit of information and imagination of designer.
Dispersal of Yield Over Time Principal of seven generations. We can use energy to construct these systems, providing that in their lifetime, they store or conserve more energy that we use to construct them or to maintain them.
A Policy of Responsibility (to relinquish power) The role of successful design is to create a self-managed system.
Principle of Disorder Order and harmony produce energy for other uses. Disorder consumes energy to no useful end. Tidiness is maintained disorder.
Chaos Has form, but is not predictable. The amplification of small fluctuations.
Entropy In complex systems disorder is an increasing result. Entropy and lifeforce are a stable pair that maintain the universe to infinity.
Metastability For a complex system to remain stable, there must be small pockets of disorder.
Entelechy Principal of genetic intelligence. i.e. The rose has thorns to protect itself.
Observation Protracted & thoughtful observation rather than protracted and thoughtless labor.
We are surrounded by insurmountable opportunities
Wait one year
Hold water and fertility as high (in elevation) on the landscape as possible
I'd like to take a course! Where do I go?
Ecovillage Training Center, Summertown TN
Maya Mountain Research Farm, Belize
Marda Permaculture Farm, Palestine
Fundación Antonio Núñez Jiménez de la Naturaleza y el Hombre, Cúba
Cultures Edge, Black Mountain, NC
Cascadia Permaculture Institute
Cross Timbers Permaculture Center, Fossil Rim, TX
Rodale Institute, Emmaus, PA
Lost Valley Education Center, Dexter, OR
Narrow Ridge Earth Literacy Center
Permaculture Institute (US)
Permaculture Research Institute (Aust)
Rainbow Valley Farm (NZ)
ERDA Institute at Djanbung Gardens Permaculture Education Centre (Aust.)
Permaculture Institute of Northern California
Crystal Waters (Aust.)
Barking Frogs Permaculture Center
Earthflow Design Work, CA
International Institute for Ecological Agriculture, CA
Mendocino Ecological Learning Center, CA
Occidental Arts and Ecology Center, CA
Permaculture Institute of Southern California, CA
Central Rocky Mountain Permaculture Institute, CO
Heathcote Community, MD
La'akea Permaculture Gardens, HI
Permaculture Drylands Institute, NM
Finger Lakes Permaculture Institute, NY
Hancock Permaculture, NY
Association for Regenerative Culture, NC
Green Mountain Permaculture, VT
Kootenay Permaculture Institute, BC
Falls Brook Centre, NB
Northern Alberta Permaculture Institute, AB
Instituto de Permacultura de Mexico
Ecocentro IPEC (Pirenópolis, Goiás), Brazil
Instituto de Permacultura da Bahia, Brazil
Instituto de Permacultura Cerrado-Pantanal, Brazil
Argentine Permaculture Institute
Instituto Capixaba de Permacultura, Brazil
Southern Cross Permaculture Institute, Aust.
Permaculture Institute, Aust.
Permaculture in New Zealand
Permaculture Institute of the Philippines
Energy and Permaculture
by David Holmgren
from The Permaculture Activist
updated for hypertexting
The sustainability debate has shown a deep confusion about the processes and systems which support life and humanity. The lack of conceptual tools to incorporate previously ignored environmental "givens" into calculations used by economists and decisionmakers is painfully obvious. There are no simple answers to the complex question of costs, benefits, and sustainability. However, there is a natural currency we can use to measure our interdependence on our environment and assist us to make sensible decisions about current and future action.
That currency is energy.
The energy laws governing all natural proceses are well understood and have not been challenged by any of the revolutions in scientific thinking during the 20th century. These laws are called the first and second laws of thermodynamics.
First Law: the law of conservation of energy. Energy is neither created or destroyed. The energy entering the system must be accounted for either as being stored there or as flowing out.
Second Law: the law of degradation of energy. In all processes some of the energy loses its ability to do work and is degraded in quality. The tendency of potential energy to be used up and degraded is described as entropy, which is a measure of disorder which always increases in real processes.
These laws are taught in every science course, but, in a manner typical of our fragmented society and culture, are completely ignored in the way we conduct our economic life and relationship to the natural world. The laws of thermodynamics are widely seen as true, but not very useful theoretical ideas. The second law has always represented a fundamental threat to the modern notion of progress. More traditional and tribal views of the world are in keeping with the second law. For example, the ancient Greek idea of the universe being used up by the passage of time is very pessimistic to the modern mind.
Over the last 20 years work by ecologists and some economists has attempted to apply the energy laws in more practical ways to understand the global environmental crisis and develop useful conceptual tools for creating a more viable and durable basis for human life. The work of ecologist Howard Odum provided a theoretical framework and conceptual tool which was critical in the development of the permaculture concept. In the 1970's there was a flurry of research in this field but it declined along with oil prices in the 1980's. Odum was one of the leading ecologists who developed a systems approach to the study of human/environment interactions. He uses energy as a currency to compare and quantify the whole spectrum of natural and man-made elements and processes.
Odum's ecosystem approach:
Energy Quality And Embodied Energy
The second law of tbermodynamics is based on the concept of energy quality. Examination of tbe natural world from stellar processes through to living systems shows differing forms of energy have varying potential to do work or drive processes. Since all forms of energy can be converted into heat, energy can be defined as:a quantity that flows through all processes, measured by the amount of heat it becomes (the calorie is the unirtof measure of heat energy). Dispersed heat is the most dilute form of energy; it is no longer capable of doing work.
All real processes involve a net degradation in energy quality. However, a proportion of the total energy flow can be upgraded into more concentrated forms of energy capable of driving other processes. This creation of order produces remarkable results, most notably life, but includes such non-living phenomena as rare mineral ores and human-created systerns such as the built environment, culture, and information. However this order is always at a cost of a net degradation of energy. The whole evolution of the Gaia (the living earth) is a small expression of order arising out of the massive energy degradation of the sun's thermonuclear process.
There are thermodynamically fixed relationships between four forms of energy ranging from low- to high-quality. These and similar relationships between energies of differing qualities are fundamental to a correct understanding of the energy basis of nature and human existence. The efficiency of conversion of sunlight to wood (via the processes of photosynthesis) is 8:8000 or 0.1 percent. The apparent inefficiency of this process is due to the very low quality of dilute sunligbt falling on the earth's surface. However 3,800 million years of evolution have optimized this energy harvesting process and any technological "improvement" is highly improbable despite frequent claims to the contrary.
Many kinds of high-quality energy are required for complex work. We tend to think of the energy requirements of a process only as fuel, ignoring human work and contribution of materials. These often involve more energy than the fuels.
In running a motor car, the fuel is about 60% of the total energy consumed. Odum goes on to explain... "The energies involved in the long chain of converging works supporting processes such as educational activities is very large. The total energy required for a product is the embodied energy of that product... The embodied energy of a book is very large compared with the heat energy that would be obtained if the book were burned. For clarity in energy accounting, embodied energy should be expressed as calories of one type of energy such as solar equivalents or coal equivalents."
Many energy studies done by apparently qualified persons and taken seriously by policymakers fail to take account of the simple fact that a calorie of low-quality energy cannot do the same work as a calorie of high quality energy. Consequently completely erroneous conclusions are frequently reached. Such problems have afflicted both high- and low-tech proposals. Nuclear power may be the greatest exarnple of an energy "source" which actually uses and/or degrades more humanly usable energy than it produces. Solar, wind, and biofuel technologies, while appropriate for the use of already embodied energies will never sustain high-energy industrial culture without fossil fuel subsidy.
Computer technologies may similarly be appropriate to make use of manufacturing and network capacity already in place but are in reality very energy expensive due to the very large embodied energy.
Significance Of Odum's Work
Energy Basis for Man and Nature is an accessible text on Odum's work written for high school and undergraduate students with only minimal matbs and science. It is a very important book which should be read and understood by all permaculturists. Without that understanding it is very easy to be misled into developing and proposing systems of land use, technology, and lifestyles which will consume rather than produce energy storages useful in providing for current and future human needs.
It provides a way of integrating information about natural systems from the local and global scale, technology, environmental impact, and social and economic processes.
The energy accounting and systems diagrams provide a unique tool for understanding and decisionmaking more in tune with the rules of the natural world.
Odum's work shows exactly how and why it is impossible to avoid those rules in any case without the need to resort to moral injunctions. High-energy industrial society is revealed as a quite natural response to fossil fuel abundance but maladapted in every way to a low energy future.
Agriculture And Forestry
If there is a single most important insight for permaculture from Odum's work it is that solar energy and its derivatives are our only sustainable source of life. Forestry and agriculture are the primary (and potentially self-supporting) systems of solar energy harvesting available. Technological development will not change this basic fact.
It should be possible to design land use systems which approach the solar energy harvesting capacities of natural systems while providing humanity with its needs. This was the originai premise of the permaculture concept. While available solar energy may represent some sort of ultimate limit to productivity it is other factors which primarily limit it.
Maximum Power Principle
Along with the two established laws of thermodynamics, Odum's work is based on a third principle, the Maximum power principle, which explains that the system that gets the most energy and uses it most effectively survives in competition with other systems.
Odum states, 'those systems that survive in competition among alternative choices are those that develop more power (rate of energy flow) inflow and use it to meet the needs of survival." They do this by--
1. developing storages of high-quality energy
2. feeding back work from the storages to increase inflows
3. recycling materials as needed
4. organizing control mechanisms that keep the system adapted and stable
5. setting up exchanges with other systems to supply special energy needs, and
6. contributing useful work to the surrounding environmental systems that helps maintain favorable conditions, e.g.. micro-organisms' contribution to global climate regulation or mountain forests' contribution to rainfall.
The Maximum power principle is contentious and has led some to criticize Odum's work as Óbiophysical determinism" with no room for human values. While this systems view is only one way of understanding the world, the last two characteristics of successful natural systems allow plenty of scope for co-operative approaches and higher human values. The predictive power of Odum's methodology in assessing the chaotic changes in the world over the last 20 years suggest that it is a very useful way of thinking. In permaculture we should use these points as a checklist for sustainable systems.
Within the permaculture movement, Odum's work has not been widely recognized (and confused with the work of another American ecologist, Eugene Odum) even though it confirms permaculture's concern with sustainable use of natural systems as the foundation of any permanent culture.
Mollison makes only passing reference to Odum in Permaculture: A Designers Manual and goes on to suggest "the concept of entropy does not necessarily apply to living, open earth systems with which we are involved and in which we are immersed" This could be wrongly interpreted as meaning we can design our way out of any problem and that natural systems can sustain the continuous free lunch the affluent world is used to.
In the last few hundred years we have dug millions of years worth of sunlight (fossil fuels) out of the ground to create global industrial culture and economy. The most productive sustainable systems imaginable may be able to provide for the needs of five or even 10 billion people. However they would never sustain large-scale cities, a global economy, and Western material affluence even if all the conventional energy conservation strategies were to be adopted. This is a bitter pill to swallow for Westerners raised on the notion of material progress. This does not mean that the energy conservation strategies promoted for years by Lovins and other energy optimists, and progressively being adopted, are not incredibly important In fact they are essential to make best use of what we have.
The transition from an unsustainable fossil fuel-based economy back to a solar-based (agriculture and forestry) economy wilt involve the application of the embodied energy that we inherit from industrial culture: This embodied energy is contained within a vast array of things, infrastructure, cultural processes and ideas, mostly inappropriately configured for the "solar" economy. It is the task of our age to take this great wealth, reconfigure and apply it to the development of sustainable systems.
Mollison almost in passing points to three guidelines we should observe in this task.
These are very important points but how should be assess whether we are following them, particularly the thorny question of use of non-renewable energies, raw and embodied.
I apply the following perspectives (derived from Odum) as a primary sustainability test to all land use systems before considering any more detailed aspects of costs and benefits.
All terrestrial ecosystems must work to slow the inexorable effects of gravity in progressively degrading the physical and chemical energetic potential expressed in uplifted catchment landscapes.
Eventually everything ends up in the oceans until the next uplift (with the few but important exceptions of onshore winds, migrating fish, and birds). Water and nutrients are the key forms of chemical energetic potential while the landform itself is the key expression of the physical energy potential. Soil humus and long-lived trees are the key energy storages which terrestrial ecosystems use in the never-ending fight with gravity.
Holmgren's Sustainability Test
Does the system work to catch and store water and nutrients for as long as possible and as high as possible within its catchment landscape?
How does it compare with the performance of pristine natural systems as well as wild and naturally regenerated ones (weeds included)?
It is possible for managed productive landscapes to collect and store energy more effectively than pristine systems by the careful use of external, often non-renewable energies.
The use of bulldozers to build well-designed dams capable of lasting hundreds of years in well-managed landscapes is an excellent example of appropriate use of non-renewable energies. Even structures and processes which do not meet this condition (possibly the windmills) can be justified because they save the use of greater quantity of non-renewable energies or because they make best use of already embodied energy in existing plant and equipment.
Most of our managed rural landscapes, especially farms, fail miserably on the water and nutrients test. Erosion, salinity, acidification, and stream and groundwater nutrient pollution are some of the symptoms. In addition, use of non-renewable energy as an annual rather than development input is generally very high. (The embodied energy of artificial fertilizers is extremely high).
On the other hand consider the amazing productivity happening right before our eyes from with unmanaged systems. Many parts of rural Australia are supporting far more kangaroos than sheep with less damage to the land. These herds could provide a huge meat surplus even as they maintain healthy and wild populations.
Forests are even more efficient at catching and storing water and nutrients than sustainable pastoral systems. In the high rainfall areas of coastal Australia regrowth forests of native and (in some places exotic) species are developing future timber resources at a greater rate than all the more deliberate efforts at reforestation combined. Simple practices of thinning could greatly improve the future resource value of these forests. Any systems which call improve soil and water values, and require little or no fossil fuel energy to develop and maintain, and provide resource yields largely by the application of human labor and skill. should be seen as our greatest assets.
Urban systems are dearly massive net losses in terms of energy and soil and water values. In addition the bulk of the physical and information outputs of energy transformation processes in cities s further undermining the social and ecological basis of any sustainable future (e.g.. advertising and consumer culture).
On the other hand, consider the vast suburban landscapes. much has been said about the inappropriateness of existing suburbs in an energy-conserving future. However, few urban planners have seriously considered how we might adapt cities to a low (solar) energy as opposed to simply energy conserving future. Despite all their disadvantages, the low-density nature of suburbs makes them incrementally adaptable to a low-energy future. Passive solar retrofit of buildings for residential/commercial enterprise is relatively easy, while intensive garden shed agriculture and urban forestry can make use of reticulated, runoff, and waste water to create our most productive systems.
The Limits To Productivity
Mollison claims very high productivity from permaculture systems which are neither labor- nor capital- (energy and materials) intensive. This productivity can be attributed to the information intensity of permaculture expressed through interactive design processes and incorporation of genetic resources from access the globe. The focus on human and biological information is in accord with a much wider mainstream recognition of the increasingly pivotal nature of information systems (even if the information in this case takes the form of a bioregional species collection and a designer/gardener with a basket and secateurs).
Capital inputs to establish sustainable systems may be confined to a brief intense development phase. Human effort is required over much longer periods, possibly a lifetime before it declines (or more correctly evolves) into a careful and quiet stewardship.
Much has been made by Mollison and others of the low labor requirements of permaculture. This may be true compared to the labor required by traditional sustainable systems (such as those in China) operating near the limits to human carrying capacity. However, permaculture systems will never be highly productive on very low levels of labor input (such as that required to maintain a well-designed ornamental garden of local native plants with good garden storage). The search for systems which continually reduce human effort is also a recipe for human alienation and the technological fix.
Whether the significant gains from the application of design skills and genetic resources can continue to build productivity above that made possible by:
Odum suggests that all information systems have a high embodied energy cost. We should assume that (at the material level at least) productivity of sustainable systems will not be vastly different from traditional examples from the past This may be a very uncomfortable realization for all of us raised on the mythology of material progress and human invincibility.
If net energy availability were to increase (through some optimistic/horrific realization of biotechnological dreams or some other current technological fantasy) then She Maximum Power Principle suggests that nothing would stop humanity transforming itself beyond recognition. This would be necessary to absorb and use that energy while pushing back the environmental debt yet again as has been done on a much smaller scale in previous millennia. In such a case, permaculture would be buried in the debris of history, while most existing human culture and values would be swept aside by an avalanche of change.
On the other hand, if net energy is declining, as more people have come to realize is the case, then attempts to maintain materialist culture based on growth economics are counterproductive, irrespective of any moral judgments. The permaculture strategy of using existing storages of energy (materials, technology, and information) to build cultivated ecosystems which efficiently harvest solar energy is precisely adaptive.
The critical issue of the last 20 years of environmentalism has been that of net energy availability to humanity. Permaculture has always been predicated on the assumption that net energy availability is declining after probably reaching a peak sometime in the 1960's. Misjudgment of the timing and precise nature of energy decline by Mollison and myself along with other environmentalists in the 1970's can be attributed to the enormous energy already embodied in industrial systems and culture. This embodied energy has fueled continuing rapid adaptation by industrial society to new emerging conditions. The apparent capacity to do more with less and other consequences of high embodied energy have lulled most observers into a belief that humanity is largely independent of energy constraints.
The complexity and severity of environmental and economic crises make it more imperative than ever before that we have a common currency for understanding the changes around us and assessing the available options.
Reduce, Reuse, Recycle (in that order).
Grow a garden and eat what it produces.
Avoid imported resources where possible.
Use labor and skill in preference to materials and technology.
Design, build, and purchase for durability and repairability.
Use resources for their greatest potential use (e.g. electricity for tools and lighting, food scraps for animal feed).
Use renewable resources wherever possible even if local environmental costs appear higher (e.g. wood rather than electricity for fuel and timber rather than steel for construction).
Use non-renewable and embodied energies primarily to establish sustainable systems (e.g. passive solar housing, food gardens, water storage, forests).
When using high technology (e.g. computers) avoid using state of the art equipment.
Avoid debt and long-distance commuting.
Reduce taxation by earning less.
Develop a home-based lifestyle, be domestically responsible.
please consider taking the Design Course at one of our affiliated sites:
Marda Permaculture Centre
Maya Mountain Research Farm
San Pedro Columbia, Belize
The Village at Cloughjordan
County Tipperary, Ireland
Spiral Ridge Permaculture Farm,
Summertown Tennessee USA
information and registration via:
ecovillage at thefarm dot org
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