හැම තැනම පුරස්න.......

Environment
The environment is an essential part of human life.It is a gift of nature.The environment makes our lives healthy and happy.People can't live without its favour to their lives.There is a very strong bond between the nature and the human lives.Trees,Animals,Water and Air are important parts of the environment.Some people who do not understand the value of the environment they destroy it in many ways.They cut trees,kill animals,pollute the air with various gases and pollute the water putting garbage and chemicals in to it. But some people pay their great attention to the environment.They help to protect the environment organizing various kinds of programmes with the help of nature lovers.Reforestation campaigs,protecting animals and taking steps to have cleaned water some of the steps that have been taken to save the environment.We all wish to have a pleasant environment that gives us happy and healthy life.

Lecture done by Mr.Banduranga 


සංවර්ධන ව්‍යාපෘති හා බැදුනු පාරිසරික ගැටලු රාශියක් උද්ගතවී ඇති අතර දැනට කියාත්මක වන ව්‍යාපෘති අතරින් අධිවේගි මාර්ග .වරාය,ගුවන් තොටුපළ දැක්විය හැකි අතර මෙයට පුධාන ලෙස කදු කපා ගොඩ කිරීමෙන් සිදුවන පරිසර හානිය අධික බව පසු ගියදා පැවති දේශණයේදී බන්ධුරංග මහතා කරැණු ඉදිරිපත් කළේය.එමෙන්ම අප රටට පැමිණෙන විදේශ කම්කරැවන් විසින් වැඩ බිම් අවට සිටින බල්ලන්,සර්පයන්,තලගොයන් දඩයම් කිරිමටද පෙලඕ ඇති අතර මෙම හේතුව නිසා වැඩ බිම් අවට සිටින නිවෙස් වල සිටින සතුන් රැක ගැනීමට නිවැසියන් හට නිදි වර්ජිතව සිටිමට සිදුවීම කණගාටුවට කරැණකි.අධිවේගි මාර්ගයෙහි ආරක්ෂක වැටට අලලා දැලක් තවමත් නොමැති වී මෙන් සතුන් විශාල ලෙස අනතුරට පත් වීමේ අවධානම වැඩි බව එතුමා සදහන් කරන ලදී. මීට අමතරව ගුවන් තොටුපලක් මහනුවර හා නුවර එළිය යන පුදේශ වල ඉදිකිරිමට යෝජනා වි ඇති බවත් එමගින් සීතාවක රක්ෂිතයට හානි සිදුවිය හැකි බවත් මෙයට විසදුමක් ලෙස ජලයේ ගමන් කල හැකි ගුවන් යානා යොදා ගැනීම සුදුසු බවට වැඩි දුරටත් එතුමා කරැණු ගෙනහැර දැක්විය.

දේශණය - පරිසරවේදී බන්දුරංග මහතා
සංස්කරනය - තිළිණි හර්ෂණි

අපේම තැනක්......

වලව්වෙවත්ත වතුරාන පාරිසරික පරිසරය

2011-2012 අපේ කට්ටිය ඔන්න නමෝවිත්තියෙන් කියලා වැඩ පටන් ගත්තේ ජෛව විද්‍යාත්මක වටිනාකමකින් තියෙන වනාන්තර අතරින් ලංකාවේ  ඇති  වගුරැ වනාන්තරයක් නිරීක්ෂණය කරන්නයි. ඉතින් කතාකරගත්ත විදියට අපි 16 වේනිදා උදේ පාන්දරන් කොහුවලට ආවා දන්නවනේ ඉතින් වෙලාවට අපි ආවට වේලාවටම පිටත් උනේ නෑ..නංගිල මල්ලිලා එකතු කරගෙන වාහනේ පිටත් උනා...කොහුවල ඉදන් හොරණ (120)  නගරයට ඇවිල්ල එතනින් මතුගම පාරේ 3කිමි යනකොට බුලත්සිංහල පාරට හැරෙන්න ඔනේ එන්න එහෙම කෙලින්ම ඇවිත් බුලත්සිංහල ඔරලෝසු කණුව ගාවින් වමට (හිග්ගහ පාර) දාලා ටික දුරක් යනකොට හමුවෙන ගල්කැටිය කන්ද අසලින් මෙම වනාන්තරයට යන්න පුලුවන්.විජේසේකර මහතාට අයත් වලව්වෙවත්ත වතු සමාගමට අයිති පුද්ගලික ඉඩමේ මෙම වගුරැ වනාන්තරය පිහිටල තියෙන්නෙ.

කඑ ගගේ ශාඛාවක් හා කුඩා අතු ගංගාවක් වෙන බටපොත ඇලේ වම් ඉවුරට මායිම්ව මෙය පිහිටා ඇති අතර ඇළ හරහා ගලා එන ජලයෙන් සමහර කාලවලට මෙය යටවී පවතින නිසා ජලය ආශිතව වැඩෙන ශාක පැවතීමෙන් වතුරාන යන නම යෙදී ඇති බව, ලොකු අයියා ලෙසින් හදුන්වන වතුයායේ වැසියෙක්  එහෙ විස්තර රසබර විදියට කියල දුන්නා. පහත රට තෙත් කලාපීය වනාන්තර ගණයට වැටෙන මෙහි විශාලත්වය හෙක්.6.2045ක් වේ.ලංකාවේ දැනට වදවී යාමේ තර්ජනයට ලක්වී ඇති ලොකයේ කිසිම වනයක පවතින බවට වාර්තාවී නැති ශාක විශේෂ 2ක් මෙම වනාන්තරයෙහි හමුවීම විශේෂත්වයක් ලෙස සදහන් කරන්නම ඕනේ..

  • හොරවැල්  Stemnoporus mooni
  • සුවද         Mesua stylosa
මීට අමතරව
  • කැකිරි වරා
  • හල්                                                   
  • ලේන් තැරි
  • අති උඩයන්                                                   
  • වේවැල් වර්ග  ,
ශාක රාශියක් ද සත්තව විශේෂ විශාල පුමාණයක් ද මෙම පරිසර පද්ධතියෙන් හමුවී ඇත.එමෙන්ම ලංකාවේ තෙත් වනාන්තර වල හමුවෙන උරග,ශාක,උභය,මත්ස්‍ය, පක්ෂි විශේෂ රාශියක් මෙම වනාන්තරයෙන් වාර්තා වී ඇත.වැලි ගොඩ දැමීම,වේවැල් උණගස් දුම්මල වැනි දෑ සීමාවකින් තොරව ලබා ගැනීම,ගස් කැපීම,ජනාවස බිහිවීම මෙම පරිසර පද්ධතියට තර්ජනයක් බවට අද වර්තමානයේ පත් වී ඇත..නමුත් සතුටට කාරණාවක් ලෙස ඉඩම් හිමිකරැවන් විසින් මෙම පරිසරය ආරක්ෂා කිරීමට දක්වන උත්සහය නිසා එම තර්ජන බොහොසෙයින් අඩපන වීම දක්වන් පුලුවන්.මෙම ජෛව විද්‍යාත්මක වටිනා කමකින් යුතු පරිසර පද්ධතිය රැක ගැනිම ඔබෙත් මගෙත් යුතුකම හා වගකීම නොවන්නේද ?.........

එලෙස සාර්ථක ගමනක විශේෂ වාර්තාවන් අපගේ ඉදිරි ලිපි වලින් එළි දැක්විමට බලපොරොත්තුවෙමු........

Wild Parks in Sri Lanka






Wild parks in Sri lanka

Sri Lanka has a rich and exotic variety of wildlife and a long tradition of conservation rooted in its 2,230 year old Buddhist civilization. The following are the most important sanctuaries in terms of attractions, accessibility and availability of facilities.

Animal Sanctuaries

The animals to be seen in Sri Lanka's national parks include elephant, leopard, sloth bear, sambhur, deer and monkeys, wild buffalo, wild boar (pig), porcupine, ant-eater, civet cat, jackal, mongoose, loris (unique to sri Lanka) several varieties of lizards, squirrels, reptiles and amphibians. Each park however has its own specialties. 




Yala (Ruhuna) National Park

Situated 309 km. south of Colombo, Yala is approximately 1,259 sq.km. in extent and is located in the southeastern corner of the island. Its northern boundaries border on the Lahugala Elephant Sanctuary and it has the added bonus of a scenic ocean frontage. The terrain is varied flat plains alternating with rocky outcrops. The vegetation ranges from open parkland to dense jungle. Water holes, small lakes, lagoons and streams provide water for the animals and birds. The specialty here is the large numbers of elephants. 


Wilpattu National Park

Situated 176 km. north of Colombo, Wilpattu is approximately 1,908 sq.km. in extent. It has a dense jungle cover which makes it a more exciting park where animals have to be tracked. There are numerous delightful little lakes - known as villus - and the leopard and sloth bear are the specialty rather than elephants.



Maduru Oya National Park

The Maduru Oya National Park is located in the Dry Zone and is 300 k.m. away from Colombo and 58,849 hectares in extent. A wide variety of wildlife including some endemic birds species and reptiles are found here. Maduru Oya is rich in ancient ruins found in different places and its southern parts provide veddhas, indigenous people their living environment. Endemic purple monkey is among the important animal species that can be seen in addition to Sambhur, a member of the cat family etc. There is some endemic avifauna also found within this Park. 

Gal Oya National Park
Situated at Inginiyagala, the Gal Oya National Park is 314 km. from Colombo and is most renowned for its elephant population.
 


Bundala National Park 

Bundala National Park is the latest addition to the National Parks and is situated 260 km. away from Colombo. All species of waterbirds resident in the country and the migrant birds inhabit this Park. 
Horton Plains National Park

The Horton Plains National Park is the only National Park situated in the Hill Country and falls within the Nuwara Eliya district and is 200 km. away from Colombo. Panoramic scenic beauty of the Hill Country could be witnessed within the Park. The famous `Worlds End' is a major attraction within the Park. Endemic slender loris and endemic purple monkey are among the important animal species that could be seen in addition to sambhur, a member of the cat family etc. There is some endemic avifauna also found within this Park.



Uda Walawe National Park

Situated 170 km. South East of Colombo the Uda Walawe National Park is approximately 30,821 hectares in extent. This Park which lies within the Ratnapura and Monaragala Districts acts as the catchment to the Uda Walawe Reservoir and is located in the Dry Zone. This Park comprises grasslands and thorn scrubs and many valuable species of trees are found within it. Large herds of Elephants and Deer species such as spotted Deer, Sambhur, Barking deer and Langur, Wild Boar, Water Buffalo, Jackal are some of the prominent wild animals found in this Park and a variety of avifauna is seen.

Wasgamuwa National Park 

Situated approximately 200 km. away from Colombo, the Wasgamuwa National Park lies within the Polonnaruwa and Matale Districts and have the Mahaweli river and Amban river as its eastern and western boundaries. Tropical intermediate dry mixed evergreen forest predominates its environment. 



Endemic Butterflies in Sri Lanka

The Common Birdwing
Endemic Butterflies in Sri Lanka
Family :
Scientific Name : Troides helena



Uncommon. Found throughout the island; rare in north and high hills. Takes part in migrations. Frequents jungles and the open country. Occasionally a pair seen flying in tandem, rising and falling in unison. Usually flies high, and frequently visits flowers. Sexes differ slightly, the female being generally larger with more markings on the hindwing.
The Common Bushbrown
Butterflies in Sri Lanka
Family :
Scientific Name : Mycalesis mineus



Very Common. Found in the hills, scarce in the north, prefering wet zone jungles. Flight weak, settling frequently. Sexes similar

The Clipper
Endemic Butterflies in Sri Lanka
Family :
Scientific Name : Parthenos sylvia




Uncommon. Found in the west zone jungles of the lowlands and higher hills. Flight strong, with much gliding, and usually keeping high in the trees. Sexes similar.
The Common Mormon
Butterflies in Sri Lanka
Family :
Scientific Name : Papilio polytes



Very Common. Found throughout the island in open woodlands and gardens; rare in the high hills. Takes part in migrations. Flight fast and close to the  ground; male settles on damp earth. When mimicking, the female copies the leisurely flight of the host. The female has 3 main forms : one mimics the male, another mimics the Common Rose and the third which is considered the typical form, resembles the Crimson Rose.
The Redspot Duke
Butterflies in Sri Lanka
Family :
Scientific Name : Euthalia evelina





Uncommon. Found in the dry zone lowlands to foothills, most frequently from January to March. Inhabits jungles, often visits damp earth. Flight fast and strong, settling frequently. Sexes similar, but female larger and paler.

The Great Eggfly
Butterflies in Sri Lanka
Family :
Scientific Name : Hypolimnas misipus





Common. Found throughout the island preferring forested areas. Takes part in migrations. The male flies faster than the female, sometimes settling in the sunshine while opening and closing his wings. Sexes differ.


The Glassy Tiger
Butterflies in Sri Lanka
Family :
Scientific Name : Danaus aglea





Common. Found at all elevations in the southern half of the island; rare in the north. Takes part in migrations. Sometimes seen resting in small numbers in the shade of the forest during the heat of the day. Flight slow and lazy. Sexes similar. Female mimicked by the Dark Wanderer. Both sexes mimicked by the Common Mime.


Ceylon Hedge Blue
Endemic Butterflies in Sri Lanka
Family : Lycaenidae
Scientific Name : Udara lanka





Uncommon. Confined to Sri Lanka only. Found near trees in the mid high hills. Flight weak and fairly low, and when settled the wings are closed. Male often settles on damp earth. Sexes similar, but female paler above with dark borders.


The Red Helen
Endemic Butterflies in Sri Lanka
Family :
Scientific Name : Papilio helenus






Uncommon. Found in the wet zone forests of the hills, Flight fast and strong.  Sometimes flying above streams. Male occasionally settles on damp earth. When resting with wings open, the forewing is drawn back over the light patch of the hindwing. Sexes similar.



The Common Indian Crow
Butterflies in Sri Lanka
Family :
Scientific Name : Euploea core





Very Common. Found throughout the island in all types of country. Takes part in migrations. Flight slow and lazy, fond of settling on damp earth. Sexes similar but female has no white bar on upper forewing; she is mimicked by the female Great Eggfly, both sexes of the Common Palmfly and the Common Mime.


The Tailed Jay
Butterflies in Sri Lanka
Family :
Scientific Name : Graphium agamemnon





Common. Found in woodland areas throughout the island, preferring the south. Takes part in migrations. A restless flight; males fond of flowers, especially Lantana, Sexes similar, but female has a longer tail.


The Common Jezebel
Butterflies in Sri Lanka
Family :
Scientific Name : Delias eucharis






common. Found throughout the island, wherever there are trees; rare above mid hills. Flight weak, female tends to fly high; male often visits flowers, and during the dry weather settles on damp earth. Sexes similar, but  female is more heavily marked.



The Lime Butterfly
Butterflies in Sri Lanka
Family :
Scientific Name : Papilio demoleus






Very Common. Found in the lowlands and foothills, rare at higher altitudes, in open areas and where citrus trees grow. Takes part in migrations. Flight fast and straight , occasionally gathering at puddles to drink. Sexes similar.












Source: 1 "A Selection of the Butterflies of Sri Lanka" -
              John & Judy Banks 

            2 Young Biologists' Association Butterfly Group.



 
 Climate in Sri Lanka

Temperature Chart
Area
Jan-April
May-August
Sept-Dec
Max.
Min.
Max.
Min.
Max.
Min.
Colombo
30OC
22OC
30OC
24OC
29OC
22OC
Kandy
31OC
17OC
29OC
21OC
28OC
18OC
Nuwara Eliya
21OC
14OC
18OC
16OC
18OC
15OC
Trincomalee
32OC
24OC
33OC
25OC
33OC
23OC


Sri Lanka Lies between 6 - 10 of North Latitude and Between 80 - 82 of East Longitude. It has a Maximum  Length of 432 km (Devundara to Point Peduru) and Maximum Breadth 224 km (Colombo - Sangamankanda) . The Land Area is 65,525 Sq. km. The Area Excluding the Inland Water 62,336 Sq. km. The hills appear in the center and the south of Center. Sri Lanka is generally a warm country.
Sri Lanka has no marked seasons. A special feature is that the hot and humid lowlands and the salubrious hill country are separated by a few hours motoring. 
 
Average mean temperature along the coast is 26.7 C (80 F) and 19.7 C (66.50 F) in the hill country. In Colombo, the commercial capital, situated on the west coast, the temperature varies from 26.4 C (79.5 F) to 27.8 C (82.12 F). Relative Humidity varies from 70% during the day to 90% at night. In the lowlands the climate is typically tropical with an average temperature of 27OC in Colombo. In the higher elevations it can be quite cool with temperatures going down to 16OC at an altitude of nearly 2,000 meters. Bright, sunny warm days are the rule and are common even during the height of the monsoon - climatically Sri Lanka has no off season. The south west monsoon brings rain mainly from May to July to the western, southern and central regions of the island, while the north-east monsoon rains occur in the northern and eastern regions in December and January.



 

Mountains of Sri Lanka


The mountains of Sri Lanka
Name of Mountain 
Height
Haputhale
2351 m
2237 m
Knuckles 
1515 m
Namunukula 
2035m
Piduruthalagala 
2524 m
 
    


Piduruthalagala
Sri Lanka's highest mountain which is about 8200 feet above sea level, it will take you through some exciting and anxious moments because of it's difficulty in getting to the top, but the climb is worth your effort, because it will take you through some beautiful scenery that one won't forget. One will come across beautiful small waterfalls, because many waterfalls begin from this mountain.


Central Provincial Mountains