science

Unasylva

Unasylva is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Unasylva rather than just read about it. In short: Unasylva is a multilingual international journal of forestry and forest industries published by the Food and Agriculture Organization of the United Nations (FAO). Produced in separate English, French, and Spanish editions, Unasylva covers all aspects of forestry: policy and planning; conservation and management of forest-based plants and animals; rural socio-economic development, including food security; species imp…

Key takeaways

Unasylva belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Unasylva to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Unasylva from memory before moving on to harder problems.

Reference excerpt

Unasylva is a multilingual international journal of forestry and forest industries published by the Food and Agriculture Organization of the United Nations (FAO). Produced in separate English, French, and Spanish editions, Unasylva covers all aspects of forestry: policy and planning; conservation and management of forest-based plants and animals; rural socio-economic development, including food security; species improvement; industrial development; international trade; and environmental considerations, including the role of forests and trees in maintaining a sustainable base for agricultural production as well as the effects of environmental change on forestry. Unasylva presents news about forest science and policy to a broad range of readers – policymakers, forest managers, technicians, researchers, students, teachers.

Indexing Unasylva is indexed by the Abstract Bulletin of the Institute of Paper Chemistry, the Bibliography of Agriculture, and Predicasts. Its h-index is 15. The journal is also referenced in Scopus, an abstract and citation database of peer-reviewed literature. In a 2007 poll, professional forestry organizations in Australia ranked Unasylva in the 'A' group (80-95 percentile) of all forestry journals.

History First published in 1947, Unasylva is FAO’s longest running periodical. The journal documents the history of FAO’s activities in forestry. Every FAO Director-General and every head of the FAO Forestry Division, which later became the Forestry Department, has contributed to Unasylva. Authors of the more than 1,000 articles published include presidents of countries, heads of national forest services, field workers and university professors. The results of hundreds of FAO field projects have been recorded in these pages.

As FAO membership has grown, from 48 countries – mostly in the industrialized world – to 191 (in 2012), so has the emphasis within Unasylva changed, from wood production and wood technology to sustainability concepts and awareness of forestry’s social role. The first few decades emphasized assistance to Europe in the recovery after the Second World War. Authors in the early years were predominantly European and North American men. By the 1980s, the balance was changing as women increasingly entered the field of forestry, and contributions from developing countries were increasingly welcomed. Today’s Unasylva is diverse and global; each issue, to the extent possible, has authors, male and female, from every region of the world and from a variety of academic and research institutions, other UN agencies, non-governmental organizations and civil society. In 2000, FAO published The complete collection of Unasylva 1947–2000, with 51 volumes (203 issues) in a compact disc form.

Worked examples

Example 1 — a first encounter with Unasylva

Start with the simplest possible case. Write down what Unasylva claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Unasylva before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Unasylva ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Unasylva

In research: Unasylva appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Unasylva in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Unasylva is common in secondary-school and first-year university syllabi. It links to neighbouring topics Academic journals published by non-profit organizations, Annual journals, Food and Agriculture Organization, so understanding it makes those chapters shorter.
In everyday life: Look for Unasylva outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Unasylva in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Unasylva means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Unasylva out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Unasylva in simple terms?

Why does Unasylva matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Unasylva?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Unasylva.