National Parks of Croatia

Transcription

1 Jure Bonaca, Igor Bučo Menthor:Prof. dr. Brankica Cigrovski-Detelić University of Zagreb, Faculty of geodesy Kačićeva 26, Zagreb, Croatia National Parks of Croatia Introduction How can you buy or sell the sky, the warmth of the Earth? This idea is strange to us. If we do not possess the freshness of the air and the clarity of water, how can you buy it? Every part of the Earth is everything to my people. Every shiny pine needle, every san coast, every mist in a dark wood, every insect are sacred in the memory and the experience of my people. The juice that runs through the trees bear the memory of a red man. The letter of the chief of the Indian tribe Seattle directed to Abraham Lincoln The environmental protection provides a complete preservation of environment quality, the preservation of biological and landscape variety, rational usage of natural resources and energy in the most convenient way for the environment, as the basic condition of healthy life and the foundation of sustainable development. The nature and natural values are of interest for the Republic of Croatia and enjoy its special protection. The first nature protection acts in Croatia: Hunt Act from 1893, regulating the protection of Song-Birds, Cave Protection Act from 1900, and Financial Act from 1928/29 when the Plitvice Lakes, Bijele stijene and Štirovača were decalred national parks. The protection of national values was later regulated with the following acts: Act on Protection of Cultural Monuments from 1960, 1974 and 1994, Act on Nature Protection from 2003 and 2005, Act on Amendments of the Act on Nature Protection from 2003 and 2005, Act on amendments of the Act on Nature Protection from Protected natural values are natural values by the legally established body and listed into the Register of Protected Natural Value, and they refer to the following protection categories: strict reserves, national parks, special reserves, nature parks, regional parks, nature monuments, significant landscapes, forest parks and monuments of park architecture, then protected plan, fungi and animal species including dead examples of wild species protected on the basis of the Act on Nature Protection and international contracts, their parts and derivates, and protected minerals and fossils.

2 National parks National park is defined in the Croatian legal system with the article 152. of the Act on Nature Protection as: spacious, mostly unchanged area of land and/or sea with extraordinary and multiple natural values, encompassing one or more preserved or slightly changed ecological systems, and it is intended first of all for the preservation of original natural values. The oldest and probably the most famous national park in the world is Yellowstone founded in 1872 in the state Wyoming in the United States of America, although already Abraham Lincoln approved in 1864 the document by which 3079 square meters of the land in Yosemite Valley in California was declared as the area specially protected by the state to be used for public recreation. Thus, the foundations for the idea of protecting natural and cultural resources in selected areas was established, that are called today national parks, and in 1890 also the area of Yosemite Valley received the official status of national park. Croatia has got altogether 8 national parks. All national parks are placed in karst are spreading over 52% of the territory of the Republic of Croatia. National park of Croatia in alphabetical order: Brijuni Kornati Krka Mljet Paklenica Plitvička jezera Risnjak Sjeverni Velebit Fig. 1: National park of Croatia Regarding the area of the national park, the international criteria recommend the minimum of the area of ha, out of which ha should be preserved and protected. The isolated islands are an exception. International and Croatian definitions of national parks put their scientific, cultural and historical, and educational functions. These are ideal area for the research of natural laws, processes and relation influenced by man. Every activity is excluded in these areas that could damage and degrade original properties of organic and inorganic nature (quarries, water management and power systems, hunting, fishing, forest exploitation, etc.). The national parks of Croatia will be presented chronologically as they were developed. 2/13

3 National Park Plitvice Lakes The National Park Plitvice Lakes is a special geological, hydro geological karst phenomenon. The complex of Plitvice Lakes was declared a national park on 8. April, 1949, it is a mountain area covered with woods with 16 smaller and larger lakes with crystal blue and green water. They obtain the water from numerous rivers and streams, and they connected mutually with cascades and waterfalls, being rich with flora and fauna, mountain air, the contrast of autumn colours, forest paths and wooden bridges, and many other things making a unique unit that UNESCO declared world natural heritage in 1979, among the first of such kind in the world. Total area of the National Park is hectares with the lakes making 200 ha, the forests ha, and the rest are grassland and other areas. The average altitude is 600 m. The lowest level is at 367 m on Korana bridge, and the highest at Seliški peak. In 2006 there were visitors. It is located in the area of two counties. 91% of the park in, and 7% in Karlovačka county. The park is divided into narrower and wider zone according to the protection degree. The National Park consists of 16 lakes that flow stepwise into each other in a series of 5460 m of air line. The lakes are divided into Upper and Lower Lakes - The Upper Lakes are: Prošćansko lake, Ciginovac, Okrugljak, Batinovac, Veliko jezero, Malo jezero, Vir, Galovac, Milino lake, Gradinsko lake, Veliki Burget and Kozjak. The Lower Lakes are: Milanovac, Gavanovac, Kaluđerovac and Novakovića Brod. The largest lake is with 81,5 ha of area, also the deepest with 47 m. Prošćansko lake is the second lake with regards to its size and stretches from the south to the north with the length of 2,5 km. Plitvice Lakes consist of 16 lakes located in the area between Mal Kapela and Plješivica in Lika. The whole are is still called Vražji vrt (Devil's garden) because of its position and history. According to the legend, the Plitvice Lakes developed after the great drought. People, animals and plants were yearning for a drop o water. The people prayed and prayed. Then the Black Queen appeared in the valley with its magnificent escort; she was merciful, and after that it started to rain with strong wind and thunder. Fig.2: Map of the National Park Plitvice lakes 3/13

4 It was raining so long that the water lever raised enough to form the lakes. The gathering area has got an important role in the whole system providing water for the lakes. It is very permeable area with numerous underground (caves and ditches) and surface karst features (sinkholes and fields), but very poor with surface streams. Limestone peaks ascend exactly in this area as the highest peaks - Seliški vrh, 1279 m. Fig. 3: Panoramic presentation of the lakes of the National Park Plitvice Lakes In the areas of the network of numerous depressions called karst vallies, one can see limestone blocks as «small tower». The water is an element that continues to model the Plitvice Lakes relief with mechanical and chemical power. The chemical composition of the karst substratum, limestone and dolomites provided a lot of calcium carbonate for the water of the Plitvice Lakes. Passing through the surface stratum of the soil, the rain-water absorbs carbon dioxide causing the development of mild carbon acid. By its corrosive activity the acid melts the limestone and dolomites, and in this way it mineralized and becomes satiated with calcium and magnesium bicarbonate. When such water comes to the surface dispersing its drops, a lot of water is evaporated, and calcium carbonate is crystallized in the form of small crystals settled down in the water and building barriers. The water satiated with calcium carbonate is one of the conditions for the development of calcareous sinter. It is developed on moss sprouts where millions of algae and bacteria live excreting slime where the calcium crystals are fixed turning them into «living stone». The most often present moss covering steep and perpendicular sinter barriers and participating in the development of sinter is Cratoneuron comutataum. It is very quickly «petrified», and the appearance of the moss is preserved in the sinter. 4/13

5 Fig.4: The waterfalls in the National park Plitvice Lakes National Park Paklenica The National Park was declared as the second national park in Croatia on 19. October 1949, only a few months after the National Park Plitvice Lakes. It should be mentioned that Paklenica was declared a national park already in 1929, but by the law that was to be revised every year, which had not been done. The national park covers the area of 96 km². The highest peaks are Vaganski vrh (1757 m) and Sveto brdo (1753 m). The National Park Paklenica is located on the coastal slope of the southern Velebit, immediately above the place Marasovići, up to the zone of the highest mountain peaks (Vaganski vrh, Babin vrh, Sveto brdo) located between 15 23' and 15 35' of the eastern longitude and between 44 18' and 44 25' of the northern latitude. It encompasses the area of the streams Velika and Mala Paklenica, i.e. their famous canyons cut perpendicularly into the southern slopes of Velebit, as well as the surrounding area. In the relatively small area one can find a lot of geomorphologic phenomena and features, various plants and animals, attractive landscapes and untouched nature. The basic phenomena of the NP Paklenica are forests and geomorphologic characteristics of the park. Unlike the southern part of Velebit that is denuded, one can find a lot of forest communities in Paklenica, especially black pine trees and Paklenica actually got its name after the resin (Paklina) of that, of other rare plants and animals, with a lot of karst features. The canyons Mala and Velika Paklenica present the most interesting geomorphologic features, as well as the most impressive. The canyon of Velike Paklenice is 14 km long, and m wide. In its narrowest part the canyon is only 50 m wide. Fig. 5: Map of the National Park Paklenica 5/13

6 On boths sides of the canyon there are vertical rocks with some of them higher than 700 m. The most attractive part is the area of steep flow of the stream downstream of the Anić harbour, where the steep hips ascend immediately above the stream and make the narrowest part of the canyon in the area between Anić harbour and park place. The canyon of Mala Paklenica is smaller with the stream running through it significantly weaker. It is 12 km long, and m wide. In its narrowest part it is only 10 m wide, and the surrounding rocks are reaching 650 m of height. The transition between the canyons Velika and Mala Paklenica make really an inaccessible karst area of rocky ground and hips. Fig. 6: A part of the National Park Paklenica National Park Risnjak The National Park Risnjak was declared on The area of the National Park is divided into two zones the zone of strict and the zone of moderate protection. The total of 4600 ha is completely protected area and completely without any activity it is left only to natural processes. In the narrower zone of the Par we meet a large number of natural beauties because of which this area was included into the highest degree of protection. The National Park Risnjak is a very good example of height articulation referring to relief, geology, hydrology and climate, plants and animals. The area of the Park is extending on 6400 ha and encompasses the mountain massif of Snježnik apart from the central part of the massif Risnjak, as well as the hydro geomorphologic nature monument the well of the river Kupa together with its upper flow. There is also the education path "Leska", one of the first objects of that type in Croatia. Fig. 7: Map of the National Park Risnjak 6/13

7 The significance of Risnjak is in the fact that there are four types of climatic influences present there: severe Alpine climate, mild Adriatic climate, continental characteristic of the Pannonian lowland and mountain freshness of the Dinarides. We meet there valuable natural phenomena, rainforest areas and untouched mountain heights, the karst of the Dinarides of specific hydrographic properties and features. The vegetation in higher areas, especially sinkhole vegetation is of special importance. National Park Mljet Mljet is at first sight an elongated unarticulated island, approximately 3 m hide, and 37 km long. It is an island of natural characteristics and contrasts, and the National Park Mljet covers its north-western part stretching in the area of hectares of protected land and surrounding sea. It is the area that was declared a national park on 11. November 1960 and it presents the first institutionalized attempt to protect original ecosystem at the Adriatic Sea. Fig..8:Map of the National Park Mljet Mljet is one of larger south Dalmatian islands ( ha). It is made of chalk sediments, limestone and dolomites. The limestone is present in the high ground, and the dolomites in the most part of the depressions on Mljeg, i.e. the fields. The central part of Mljet is higher, with three parallel mountain peaks (Veliki grad, 514 m). The western and eastern third of the island are lower, but the mountain features of the relief and landscape are still kept. The climate of Mljet is real Mediterranean climate with warm, dray summer and mild, wet winter. The average annual downfall is 973 mm, and the island sun exposition 2500 hours annually. The National Park Mljet was declared an area for special purposes because of a unique panoramic appearance of articulated island, cliffs, reefs and numerous small islands, as well as of rich orthography of the surrounding mountains ascending from the sea and overshadowing numerous karst fields and ancient settlements made of stone. It external coast open to the southern sea is steep and full of «garme» - fallen in caves. The coast turned to the land and bora is lower and more accessible. There is also a system of salt lakes presenting a unique geological and oceanographic phenomenon in karst, significant in the world relations. This two unique sea lakes were originally, about years, filled with fresh water, almost till the beginning of the Christian age. 7/13

8 Only on the coast rock there are endemic plants like knapweed of Dubrovnik being the most important. in the One of the special characteristics are typical karst underground habitats: caves and ditches, and the other one are «blatine» of Mljet, very rare phenomena of temporary lakes dried out from time to time on our islands. Even today we still know very little about their life. It is known only that people used to fish eels and hunt swam birds there for centuries.there are also very nice forests covering only recently large areas of Mediterranean coast, and today they have been kept here in their original form. Fig. 9: National Park Mljet air perspective In the area of the lakes on Mljet, the forest reaches the coast itself making the atmosphere of untouched nature. There is an island Sveta Marija in the middle of the Great lake with wooden Benedictine monastery and the church dating as far as from 12th century. Because of its aesthetic atmosphere and powerful spiritual and cultural dimension the island is a kind of a symbol of the island and the National Park Mljet. The locality Polače is a set of cultural and historical scenery with Roman palace, and old Christian basilicas included into the picturesque, wind-protected bay. There is extraordinary cultural and historical heritage preserved from Iliric times, the Roman empire, the Republic of Dubrvonik up to the present days of modern life where people have created their life conditions in accordance with the untouched nature. The phenomenon of the lake system has made the island Mljet famous worldwide. The Grat lake is 145 hectares large, and 46 meters deep, and the Small lake is 24 hectares large and 29 meters deep attracting the biologists and other curious people in love with nature from various profession and personal preferences Natinal Park Kornati The first Act on the Protection of Kornati was passed in 1967, but the protection referred mostly to landscape, the islands and the sea. The National Park Kornati was declared on Kornati islands are the most articulated island group in the European Mediterranean Sea. In the area of about ha there are 140 islands, small Island, and cliffs with the total area of 6900 ha. All islands are stretching in four lines of the Dinarides direction (northwest-southeast), and they were named after the larges island Kornta being at the same time the central axis of the archipelago. The length of the 8/13

9 island (NW-SE) is 132 km, and the largest width (NE-SW) is 35 km. Two inner island lines turned to the continent are significantly smaller referring to their area, as well as to the number of islands, and they are called Upper Kornat. Ther area of the National Park is ha and it encompasses the remaining two lines or Lower Kornat. There are 101 islands with the total area of 5100 ha, out of which two thirds of the area belong to one island only Kornat. The rest of the Park area refers to the sea, hence, Kornati are also marine national park. Fig. 10: Map of the National Park Kornati The land part of the park is the area of karst. It is built from carbonate rocks, mostly limestone, which has resulted in many karst phenomena: cracks, rock foils, sinkholes, caves, denudation, abrasion and corrosion features in the stone. The largest geomorphologic and landscape values of the National Park (well known cliffs, perpendicular rocks) including the submarine area are located in the off-shore line of Lower Kornati. Fig. 11: National Park air perspective National Park Brijuni The National Park Brijuni was declared on The area of the Par is 3635 ha. The present borders of the National Park defined in 1999 encompass the land and the surrounding sea with the submarine area and the total area is about 33,9 km². The length of the coastal line is even 46,8 km. The most articulated are Large Brijun (25,9 km) and Small Brijun (8,3 km). The coast is mostly low and rocky, but easily accessible because of the rock stratification, and in some bays pebbles and sand can be found at some places. It includes the most articulated and the most interesting island group in 9/13

10 Istria that consists of 14 islands: Veli Brijun, Mali Brijun, Sv. Marko, Gaz, Obljak, Supin, Supinić, Galija, Grunj, Vanga, Madona (Pusti), Vrsar, Jerolim and Kotez. Their total area is 7,4 km². The islands are geological and geomorphologic extension of the Istrian land area. They are made of horizontal limestone layers from Cretaceous period covered with thick layer of brown and red soil. The ascending of the sea lever in the last few thousands of years (ice melting) has given the final shape to the coast of Brijuni and made them very articulate. In terms of the climate, Brijuni are a part of northern Mediterranean area and have the characteristics of western coast of Istria. Mean temperature of the coldest month is 5,9 ºC, and the mean temperature of the warmest month is 23,2 ºC. The average annual quantity of downfall is 817 mm. Considering the summer droughts, relatively high values of air moisture are very important for the vegetation of Brijuni. Brijuni have got rich history: the first so far known traces of human activity on Brijuni date as far as the third millennium before Christ as Brijuni were inhabited by people unfortunately ethnically unknown to us who were occupied with farming, cattle breeding, hunting and fishing, and they made their tools and weapons from stone, bones and brushwood... during the great Aegean migration in the first millenium before Christ the Illyrian tribe Histri came to live on Brijuni after which Istria got its name later on. After them the Romans came, and from the VI. to VIII. ct. the Byzantines ruled over the island (as well as over Istria). There are many cultural and historical remains on Brijuni out of which the following are the most famous and the most preserved: Roman pastoral castle from the I. II. ct. with thermae, temple of Venus, and the basilica of St. Mary from the V.-VI. centuries, the church of St. German from the XV. century. Special biological diversity has always been known on Brijuni due to its geographic position, geological foundation and geomorphology, the diversity of habitats and island isolation. The natural biological diversity has been made richer by man due to traditional economy. Fig. 12: Map of the National Park Brijuni Fig.13: National Park Brijuni-air perspective 10/13

11 National Park Krka The National Park Krka was declared on The Park got its name after the river Krka being a part of the Park. The National Park is located in the central Dalmatia downstream of Miljevac, and only a few kilometres north-east from the town Šibenik. Krka is running on its 72 km long way through karst landscape in a deep canyon to the sea, making numerous waterfalls (the largest one is Skradinski buk - 45,7 m, Roski slap - 26 m), cascades, rapid streams and lakes (e.g. Prukljansko lake and Visovačko lake). The total area of the National Park Krka is 109 km². Special characteristic of the river Krka is the creation of barriers with specific plants (moss, algae, bacteria) necessary for the maintenance and growth of barriers and waterfalls being of scientific and tourist interest. Due to four urban localities (Skradin, Bilice, Raslin and Zaton), the highway Zagreb Split and the development of tourism and other economic activities in this area, the Parliament of the Republic of Croatia has revised the border of the Park by the Act on the Declaration of National Park Krka in The southern border of the Park was shifted upstream to Skradinski bridge, and the northern border to Knin. The border of the National Park Krka runs 50 km along the upper and middle stream of the river Krka ( 2 km downstream of Knin and to Skradin) and the lower stream of Čikola (including the mouth and 3,5 km of the river canyon) in the area of the towns Knin, Drniš, Skradin and Šibenik and the municipalities Ervenik, Kistanja and Promine. Fig. 14: Map of the National Park Krka The most beautiful part of the National Park Krka is the waterfall Skradinski buk. With its 17 steps at the distance of 800 m, total height difference of 45,7 m and the width of 200 m m it is the largest waterfall of that type in Europe. At the bottom of Skradinsi buk the flooded part of Krka begins (estuary), i.e. the part in which the river and sea water mix creating the maritime zone with specific water life. The hydro-electric power plant Jaruga below the waterfall of Skradinski buk is the second oldest hydro-electric power plant in the world and the first in Europe. It was built on 28. August 1985, only three days after the first world hydro-electric power plant on the waterfalls of Niagara. 11/13

12 Fig. 15: National park Krka: Waterfall Skradinski buk National Park Northern Velebit The National Park Northern Velebit was declared on and the Public institution started to work on the basis of the Act of the Parliament of the Republic of Croatia on 16. September the same year. The area was declared a national part because of extraordinary diversity of karst phenomena, richness of the living world and exceptional natural beauties in relatively small area. The area of the park is 109 km 2, and within this area there a reserve Hajdučki and Rožanski kukovi, presenting a specific geomorphologic phenomenon where more than 150 ditches were discovered with Lukina jama being the most famous one, and on the deepest in the world discovered in It is forbidden for visitors. Within the frame of the park there is a botanical reserve Visibaba, with the largest site of endemic Croatian sibiraea (Sibiraea altaiensis ssp. croatica), and the botanical reserve Zavižan-Balinovac-Velika slope rich with high mountain flora. Within the reserve there is also a well known Botanical Garden of Velebit founded by Prof. Fran Kušan as early as in The park is full of numerous Alpine paths with Premužić path being the most famous one and named after the constructor, eng. Ante Premužić who designed it as early as in and the construction was finished in Fig. 16: Map of the National Park Northern Velebit 12/13

13 The path passes through the most beautiful and the most interesting part of the northern Velebit. From the mountain peaks there is a beautiful view at the Adriatic Sea and the island Pag, Rab, Goli, Prvić and Krk, as well as at Lika on the continental side. The cultural heritage of the park includes numerous ruins of old cattle breeder houses and drystone walls witnessing the past time as this area was inhabited by significantly larger number of people migrating later on around the world and leaving the traces of their presence behind in this exceptionally beautiful area. Fig. 17: National Park Northern Velebit Bibliography 1. Bonaca, J.; Udovičić, D. (2010): Nacionalni parkovi Hrvatske (National Parks of Croatia), seminar thesis (tutor: Cigrovski-Detelić), University of Zagreb, Faculty of Geodesy. 2. Cigrovski-Detelić, B. (2009): Topografija (Topography), University of Zagreb, Faculty of Geodesy, Zagreb, course manuscript. 3. Črep, J.; Jurčić, D.; Loparić, I. (2009): Nacionalni parkovi i parkovi prirode, (National Parks and Nature Parks), seminar thesis (tutor: Cigrovski-Detelić), University of Zagreb, Faculty of Geodesy Abstract Croatia, although a small country, is rich with many relief particularities and natural scenery. It has got 8 national parks: Brijuni, Kornati, Krka, Mljet, Paklenica, Plitvice Lakes, Risnjak and Northern Velebit. All national parks are located in Karst area covering 52% of the territory of the Republic of Croatia. On an interactive map in the paper there are all particularities of national parks presented. Their importance in the preservation of original natural values and environmental protection are pointed out, as well as their significant economic influence as attractive tourist destinations. Keywords: National Park, original natural values, relief particularities 13/13