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378:) erupting from the deep layers of the lake towards the surface, leading to fish kills due to low levels of dissolved oxygen. This phenomenon was greatly heightened by the introduction of aquaculture to the lake in the mid-1980s, eventually leading to a massive and costly fishkill in 1999, which in turn led to the cessation of aquaculture activities on the lake.
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The slightly oval lake is 22.7 ha (56 acres) in surface area with a perimeter of about 1.8 kilometers (1.1 mi). It has an average depth of 27 meters (89 ft) so swimming is not recommended because of its depth and the sudden drop along its shoreline. The lake surface's longest dimension
574:
fish cage aquaculture to help the local fishermen earn a living. Starting around the same time, the hill on the northern edge of the lake was quarried by its private owner and sold as building materials for home construction. The destruction continued unopposed by the lax management of LLDA, and the
396:
Commonly confused or misnamed as
Alligator lake. Alligators are only present in the Everglades in the United States and China's Yangtze River. Never present in the Philippines. Crocodiles however have been known to inhabit Laguna lake and surrounding bodies of water until the early to mid 1900s.
623:
The lake can also be accessed through the road west of the lake and through the "cut" north of the lake. The owner of the quarried land had donated a 4-metre (13 ft) wide right-of-way trail on his property allowing easy access to the lake.
579:
System was not yet fully established. In the end, about 7,000–8,000 m (75,000–86,000 sq ft) of earth & rocks were removed and the land was leveled leaving a "cut" on the crater rim, destroying the natural look of the lake.
483:
This phenomenon was greatly heightened by the introduction of aquaculture to the lake in the mid-1980s, eventually leading to a massive and costly fishkill in 1999, which in turn led to the cessation of aquaculture activities on the lake.
876:
448:
The Tadlac
Barangay Road runs east of the lake but does not circle the lake. Another road runs west of Crocodile lake. The lands around the lake are privately owned, and some owners have established resorts around the lake. The
340:, the largest lake in the country, with Crocodile Lake protruding out of the shore of the larger lake. If not for its slightly-elevated crater rim, Crocodile Lake would be wholly engulfed by Laguna de Bay.
441:
is 650 meters (2,130 ft) in the NE-SW direction with the widest dimension perpendicular to the longest at 503 meters (1,650 ft). The crater rim that separates
Crocodile Lake from the surrounding
543:
may refer to a local variety of sugarcane which he theorized to be common in Laguna and
Batangas before the propagation of modern sugarcane, based on linguistic similarities with the local name of
963:
356:
715:
856:"Tundun-Pailah-Binwangan: Ang Sistemang Ilog ilawud-ilaya ng Katagalugan, bilang Halimbawa ng isang Proseso ng Pagkabuo ng mga Sinaunang Pamayanan ng Kapilipinuhan"
1391:
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62:
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Starting from 1986, the LLDA authorized the use of 30,000 square metres (320,000 sq ft) or about 12% of its total surface the lake for
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local government of Los Baños recognized the activity as the right of the land owner to develop his property. This was back when the
Philippine
956:
493:
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This phenomenon, rare elsewhere but usually occurring in Tadlac lake during the cold months of
December to February, is the result of trapped
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is thinnest northeast of the lake with only about 40-metre (130 ft) wide piece of land separating it from the larger lake.
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453:(LLDA), as mandated by the government, manages Laguna de Bay and its surrounding areas including Crocodile Lake.
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then the
National Road. A park is located on the east side of the lake along Tadlac Barangay Road.
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was the
Tagalog term for a kind of wild ginger which he described as "pulpy with a red bulb."
386:
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692:"Multi-Stakeholders’ Efforts for the Sustainable Management of Tadlac Lake, The Philippines"
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17:
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425:. The lake is contained in a piece of land jutting out to Laguna de Bay that was known as
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437:. Because of its origin, the lake has no outlet and is replenished only by rainfall.
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that used to live in its waters gave the lake its name. Today, crocodiles have been
1352:
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1081:
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46:
828:
The
Mysteries of Taal: A Philippine Volcano and Lake, Her Sea Life and Lost Towns
596:
occurred in 1999. Through the collaborative efforts of the local leaders and the
1268:
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1011:
1006:
1001:
794:"A Cultural History of Crocodiles in the Philippines: Towards a New Peace Pact?"
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187:
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1157:
1127:
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756:. The Bureau Of Science of the Government of the Philippine Islands: 104–105.
718:. Philippine Institute of Volcanology and Seismology. Retrieved on 2013-12-31.
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612:, the lake is about 61 km (38 mi) or an hour drive from KM Zero in
480:
fishes of the lake are often observed gasping for air near the lake surface.
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1021:
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600:(LLDA), aquaculture was stopped saving the lake from further deterioration.
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production, resulting in very clear water with high drinking-water quality.
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include a kind of "wild ginger" and a grass closely related to sugarcane.
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694:. Research Center for Sustainability and Environment, Shiga University.
571:
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158:
792:
van der Ploeg, Jan; van Weerd, Merlijn; Persoon, Gerard (2011-05-01).
170:
780:"Diccionario geográfico-estadístico-histórico de las Islas Filipinas"
609:
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a closer look on the "cut" left on the northern portion of the crater
520:
Documenting field expeditions he conducted during his time with the
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390:
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333:
313:
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From 1986 until the late 1990s, the lake was heavily used for
502:(Lake of Crocodiles or Crocodile Lake). The great number of
429:, and is directly situated below the northeastern slope of
877:"Tanglar (Themeda arundinacea) -- A Vetiver Supplement?"
734:, pg. 377. Imprenta y Fundición de Manuel Tello, Madrid.
730:
Comisión
Ejecutiva del Mapa Geológico de España (1884).
362:
Tadlac lake is also notable for its history of annual
782:, pg. 138. Imprenta de D. José C. de la Peña, Madrid.
704:"Crocodile Lake, Los Baños, Calabarzon, Philippines"
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900:"Driving Directions - Rizal Park to Alligator Lake"
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937:Laguna Lake Development Authority Official Website
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357:Philippine Institute of Volcanology and Seismology
746:"Geological Reconnaissance of Southwestern Luzon"
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27:Volcanic maar on the island of Luzon, Philippines
510:in and around Crocodile Lake and Laguna de Bay.
106:
821:
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472:) eruption from deep within, locally called as
51:The lake as seen from the eastern shore in 2013
417:('The Baths' in English) near the border with
957:
8:
769:. Goodle Translate. Retrieved on 2013-12-30.
964:
950:
942:
29:
664:. Google Earth. Retrieved on 2013-12-30.
524:, agricultural scientist and journalist
902:. Google Maps. Retrieved on 2013-12-31.
732:"Boletín geológico y minero, Volume 11"
716:"Inactive volcanoes of the Philippines"
706:. Google Maps. Retrieved on 2013-12-31.
632:
336:is located along the southern shore of
656:
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389:, having low nutrient content and low
385:, Crocodile Lake was considered as an
1392:Inactive volcanoes of the Philippines
522:International Rice Research Institute
7:
726:
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642:
640:
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353:inactive volcanos in the Philippines
513:Suggested etymologies for the name
69:
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1387:Volcanic lakes of the Philippines
750:The Philippine Journal of Science
690:Santos-Borja, Adelina C. (2008).
598:Laguna Lake Development Authority
451:Laguna Lake Development Authority
198:Laguna Lake Development Authority
1356:
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914:
830:. Makati: Bookmark. p. 84.
810:10.3197/096734011X12997574043008
343:The volcanic lake is one of the
68:
61:
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854:Salazar, Zeus A. (2013-03-02).
744:Adams, George I. (March 1910).
577:Environmental Impact Assessment
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84:Location within the Philippines
1382:Landforms of Laguna (province)
433:, the highest mountain in the
251:2 meters (6 ft 7 in)
1:
405:Crocodile Lake is located in
381:Prior to the introduction of
351:. It is listed as one of the
308:, also colloquially known as
91:
928:Crocodile Lake (Philippines)
826:Hargrove, Thomas R. (1991).
646:Measured using Google Earth.
539:has suggested that the name
243:1.8 kilometers (1.1 mi)
18:Alligator Lake (Philippines)
926:Geographic data related to
1413:
297:not a well-defined measure
219:503 meters (1,650 ft)
211:650 meters (2,130 ft)
1343:
535:Alternatively, historian
294:
56:
44:
39:
973:Lakes of the Philippines
767:"laguna de los caimanes"
660:gard777us (2011-12-12).
496:, the lake was known as
227:22.7 hectares (56 acres)
798:Environment and History
778:Buzeta, Manuel (1851).
616:to Barangay Tadlac via
494:Spanish colonial period
1363:Philippines portal
618:South Luzon Expressway
567:
499:Laguna de los Caimanes
235:27 meters (89 ft)
129:14.18250°N 121.20639°E
881:Kalikasan Philippines
662:"Crocodile Lake area"
565:
435:Laguna Volcanic Field
401:Geography and geology
349:Laguna Volcanic Field
923:at Wikimedia Commons
863:bagongkasaysayan.org
546:Themeda arundinacea
421:in the province of
134:14.18250; 121.20639
125: /
604:Accessing the lake
568:
549:in Central Luzon.
332:. The lake-filled
314:volcanic maar lake
312:, is a freshwater
1397:Los Baños, Laguna
1369:
1368:
919:Media related to
387:oligotrophic lake
366:, locally called
303:
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248:Surface elevation
99:Los Baños, Laguna
16:(Redirected from
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1353:Lakes portal
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1250:Taal Main Crater
1205:Pandin and Yambo
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431:Mount Makiling
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1063:Balinsasayao
895:
884:. Retrieved
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359:(PHIVOLCS).
342:
322:municipality
309:
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240:Shore length
224:Surface area
1330:Pantabangan
804:: 229–264.
590:aquaculture
584:Aquaculture
528:noted that
492:During the
411:hot springs
383:aquaculture
316:located in
306:Tadlac Lake
270:Settlements
208:Max. length
188:Philippines
132: /
120:121°12′23″E
107:Coordinates
77:Tadlac Lake
34:Tadlac Lake
1376:Categories
1335:Pulangi IV
1283:Artificial
1197:Palakpakin
1138:Kalanganan
1067:Balukbaluk
886:2018-01-13
837:9715690467
628:References
614:Rizal Park
508:extirpated
478:indigenous
216:Max. width
117:14°10′57″N
1218:Pinamaloy
1168:Mapanuepe
1132:Duminagat
1043:Alligator
558:Quarrying
488:Etymology
415:Los Baños
326:Los Baños
282:Los Baños
1300:Caliraya
1290:Ambuklao
1231:Sampaloc
1223:Pinatubo
1172:Maragang
1142:Kayangan
1101:Dagianan
1097:Calibato
1092:Cabalian
1038:Aguingay
594:fishkill
407:Barangay
318:Barangay
93:Location
1315:Labasin
1310:La Mesa
1243:Seloton
1201:Panamao
1189:Napalit
1181:Muhikap
1176:Maughan
1163:Manguao
1153:Leonard
1082:Bulusan
1058:Balanan
572:tilapia
419:Calamba
368:langal.
355:by the
347:of the
277:Calamba
261:Islands
1269:Venado
1254:Tadlac
1246:Sultan
1193:Pagusi
1077:Buluan
1012:Buluan
1007:Naujan
1002:Mainit
834:
610:Manila
541:tadlac
530:Tadlak
515:tadlac
474:langal
423:Laguna
330:Laguna
1325:Magat
1320:Lumot
1305:Chico
1295:Binga
1265:Uyaan
1261:Tikub
1257:Talao
1227:Putia
1214:Pendo
1210:Paoay
1185:Nabua
1158:Lumao
1149:Lahit
1146:Labas
1135:Gunao
1128:Dasay
1123:Dapao
1087:Bunot
1070:Basak
1031:Minor
992:Lanao
980:Major
859:(PDF)
608:From
391:algal
345:maars
182:Basin
1274:Wood
1240:Seit
1236:Sebu
1073:Bito
1053:Baao
1022:Buhi
1017:Bato
997:Taal
832:ISBN
334:maar
265:none
176:none
164:none
146:Type
1048:Apo
930:at
806:doi
468:(CO
464:or
374:(CO
324:of
1378::
879:.
861:.
846:^
818:^
802:17
800:.
796:.
752:.
748:.
723:^
669:^
651:^
635:^
328:,
965:e
958:t
951:v
889:.
865:.
840:.
812:.
808::
754:V
470:2
376:2
299:.
20:)
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