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Jizera Mountains

Jizera Mountains 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 Jizera Mountains rather than just read about it. In short: Jizera Mountains or Izera Mountains are part of the Western Sudetes on the border between the Czech Republic and Poland. The range got its name from the Jizera River, which rises at the southern base of the Smrk massif.

Jizera Mountains — main illustration
Jizera Mountains — illustration

Key takeaways

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

Reference excerpt

Jizera Mountains or Izera Mountains are part of the Western Sudetes on the border between the Czech Republic and Poland. The range got its name from the Jizera River, which rises at the southern base of the Smrk massif. The beech forests within the Jizera Mountains were added to the UNESCO World Heritage Site known as Ancient and Primeval Beech Forests of the Carpathians and Other Regions of Europe, because of their outstanding preservation and testimony to the ecological history of Europe (and the beech family specifically) since the Last Glacial Period.

Geography

The range stretches from the Lusatian Mountains (Zittau Mountains) in the northwest to the Krkonoše in the southeast. The Jizera Mountains comprise the sources of the Jizera river, as well as of the Kwisa and the Lusatian Neisse. The major part in the south is formed from granite, in the northern part from gneisses and mica schists, with some areas formed from basalt. The weather conditions are characterized by above-average annual precipitation. On 30 July 1897, the measuring station at Nová Louka recorded a daily precipitation amounting to 345.1 mm (13.6 inches), still an unbroken European record.

Peaks

The highest peak is Wysoka Kopa (1,127 m; 3,698 ft) near the town of Szklarska Poręba in Poland. Nevertheless, a better-known mountain is Smrk (1,124 m; 3,688 ft), with a recently rebuilt look-out tower. Other peaks include Jizera (1,122 m; 3,681 ft) and Stóg Izerski (Heufuder, 1,107 m; 3,632 ft). The peaks in order of elevation:

Wysoka Kopa, 1,127 m (3,698 ft); highest peak of the Jizera Mountains Smrk, 1,124 m (3,688 ft); highest peak of the Bohemian Jizera Mountains Jizera, 1,222 m (4,009 ft) Stóg Izerski, 1,107 m (3,632 ft) Smědavská hora, 1,084 m (3,556 ft) Bukovec, 1,005 m (3,297 ft); one of the highest basalt peaks in Europe Hvězda, 959 m (3,146 ft) Černá Studnice, 869 m (2,851 ft) Tanvaldský Špičák, 831 m (2,726 ft); skiing region near Tanvald Oldřichovský Špičák, 724 m (2,375 ft)

History

The first settlements in the area date back to prehistory. Later on, Celts, German tribes resides in the valleys until they left in 5th century. Later came Slavs. Since the 10th century, the border between Poland and Bohemia (Czechia) ran through the mountains. Following the fragmentation of Poland into smaller duchies, the Polish portion of the mountains was located in the duchies of Silesia, Legnica, Jawor and Lwówek. In 1281, Duke Bernard the Lightsome of the Piast dynasty granted a portion of the Izera Mountains to the Knights Hospitaller from Strzegom. In the 14th century, German-speaking colonists came and started clearing of the dense primeval forests. Permanent settlements were established. In the 16th century, several glass works were founded. Glassmaking had a profound effect on the ecosystem. The primeval forest was gradually replaced by fast-growing spruce monoculture. Other important industries included tin-mining, metallurgy and textile. The Tabulový kámen (German: Tafelstein, 1,072 m; 3,517 ft) on the northern edge of the Smrk Mountain marked the border between the properties of the Counts of Gallas in Friedland, Bohemia, the von Gersdorff family from Meffersdorf (Unięcice, now part of Pobiedna), Upper Lusatia and the Counts of Schaffgotsch from Schreiberhau (Szklarska Poręba), Lower Silesia. Following the defeat of Nazi Germany in World War II, in 1945, the northern part of the Jizera Mountains became again part of Poland, and the southern was restored to Czechoslovakia. The German population of the area was expelled in accordance with the Potsdam Agreement and replaced by Poles on the Polish and Czechs on the Czechoslovak side of the mountains. The ecosystem was badly hit by emissions, produced by lignite fired power stations located in the Zittau basin, part of Europe's ecological Black Triangle. Weakened spruce forest, less resistant against various types of parasites, were on the verge of extinction. The higher parts of the mountains, once densely wooded, became largely treeless, in part also because of excessive deforestation. New roads cut through the once-secluded landscape. The situation improved only after the fall of communism in 1989. Open-pit coal mines in the former East Germany were closed, as well as several major power plants. Emission filters were installed at the immense Turów Power Station in Bogatynia on the Polish side of Lusatian Neisse. At the same time large-scale reforestation projects were started.

Tourism

The Jizera Mountains are an attractive location for winter sports, cycling and hiking. The centre for both downhill skiing and ski run is Bedřichov. The international cross-country races Jizerská 50 and Bieg Piastów (in Polana Jakuszycka) take place there. Its summer MTB counterpart is also gaining popularity. The towns surrounding the mountains include Liberec, Frýdlant v Čechách, Nové Město pod Smrkem, Świeradów Zdrój, Szklarska Poręba, Desná, Tanvald and Jablonec nad Nisou.

Protections Large parts of the Jizera Mountains are under some form of protection. In the smaller Polish parts, the peat bogs in Jizera Valley are part of a relatively small nature protection of about 5 km2 (1.9 sq mi); Rezerwat Torfowiska Doliny Izery. In the Czech parts, Jizera Mountains Protected Landscape Area (CHKO Jizerské hory) covers 368 km2 (142 sq mi), or almost all of the Czech parts of the mountains. This landscape protection contains several reserves, including the Jizera Dark Sky Park (Rašeliniště Jizery), dedicated to star watching.

Culture A museum in the quarter Neugablonz of the Bavarian town Kaufbeuren is devoted to the German history of the region.

Literature (in Czech, German, and English) Weiss, Siegfried (2000) Moje Jizerky - Jizerské hory v proměnách času, Mein Isergebirge - Das Isergebirge im Wandel der Zeit, My Jizera Hills - The Jizera Mountains through a changing of time, Buk (in Czech) Nevrlý, Miroslav (1996) Kniha o Jizerských horách, 3rd edition, Civitas

References

External links

Jizerskehory.cz (in Czech) The Jizera Mountains throughout time (in German)

Illustrations

Jizera Mountains illustration
Jizera Mountains illustration
Jizera Mountains: Sněžné věžičky (Czech "snow turret"): picturesque rock pinnacle in the Jizerské hory
Sněžné věžičky (Czech "snow turret"): picturesque rock pinnacle in the Jizerské hory
Jizera Mountains: Dense forests on the Smrk summit around 1900
Dense forests on the Smrk summit around 1900
Jizera Mountains: Forest dieback on top of the Smrk in 2003
Forest dieback on top of the Smrk in 2003

Worked examples

Example 1 — a first encounter with Jizera Mountains

Start with the simplest possible case. Write down what Jizera Mountains 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 Jizera Mountains 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 Jizera Mountains 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 Jizera Mountains

In research
Jizera Mountains 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 Jizera Mountains 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
Jizera Mountains is common in secondary-school and first-year university syllabi. It links to neighbouring topics Geography of the Liberec Region, Landforms of Lower Silesian Voivodeship, Mountain ranges of Poland, so understanding it makes those chapters shorter.
In everyday life
Look for Jizera Mountains 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 Jizera Mountains in 20 minutes

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

Frequently asked questions

What is Jizera Mountains in simple terms?

Jizera Mountains or Izera Mountains are part of the Western Sudetes on the border between the Czech Republic and Poland. The range got its name from the Jizera River, which rises at the southern base of the Smrk massif.

Why does Jizera Mountains 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 Jizera Mountains?

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 Jizera Mountains.

Tags

  • Geography of the Liberec Region
  • Landforms of Lower Silesian Voivodeship
  • Mountain ranges of Poland
  • Mountain ranges of the Czech Republic
  • Old-growth forests
  • Sudetes

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