Results 111 to 120 of about 12,954 (252)

DANAU-DANAU VOLKANIK DI DATARAN TINGGI DIENG: PEMANFAATAN DAN MASALAH LINGKUNGAN YANG DIHADAPI

open access: yesJurnal Teknosains, 2017
Volcanic lakes in the Dieng Plateau are famous because of their uniqueness; they have been used for various purposes. The area of Dieng Plateau has changed. The present land use is manly for the area of potato-producing farmland. In the area erosion process caused sedimentation in the lake to occur rapidly, it reduced the volume of the lake and water ...
Sudarmadji Sudarmadji   +2 more
openaire   +4 more sources

Exotic molluscs (Mollusca, Gastropoda et Bivalvia) in Santa Catarina State, Southern Brazil region: check list and regional spatial distribution [PDF]

open access: yesBiodiversity Journal, 2011
A total of twenty-one exotic mollusc taxa were assessed for Santa Catarina State (SC), fifteen Gastropoda andsix Bivalvia (twelve terrestrial, five limnic/freshwater - three gastropods and two bivalves, and four marinebivalves).
A. Ignacio Agudo-Padrón
doaj  

New faunistic records of Jewel beetles from Southern Italy and Sardinia (Coleoptera, Buprestidae) [PDF]

open access: yesBiodiversity Journal, 2010
Three species of Buprestidae are reported for the first time from two Italian regions: Anthaxia (s. str.) midasssp. oberthuri Schaefer, 1937, and Anthaxia (s.
Francesco Izzillo
doaj  

Contribution to the Knowledge of longhorn beetles (Coleoptera, Cerambycidae) from Kenya [PDF]

open access: yesBiodiversity Journal, 2011
As a result of expeditions of the first author in Kenya during the period 2003-2006, 40 species and subspeciesof longhorn beetles were collected and later determined by Dr. Karl Adlbauer.
Vladimir Sakalian
doaj  

Systematic review of the effects of chemical insecticides on four common butterfly families [PDF]

open access: yes, 2017
Safeguarding crop productivity by protecting crops from pest attacks entails the wide use of plant protection products that provide a quick, easy and cheap solution.
Manachini, Barbara   +3 more
core   +2 more sources

Notes on the distribution of Castnia invaria penelope Schaufuss, 1870 (Lepidoptera, Castniidae) [PDF]

open access: yesBiodiversity Journal, 2011
The finding of Castnia invaria penelope Schaufuss, 1870 in Ecuador (Rio Napo) is highlighted, thus extendingthe body of knowledge on the distribution of the ssp. Additional information on the genus and the congenericspecies is also provided.
Roberto Vinciguerra
doaj  

KARAKTERISTIK KOMUNITAS FITOPLANKTON DAN FAKTOR LINGKUNGAN DANAU-DANAU KECIL DI PULAU JAWA

open access: yesJurnal Penelitian Perikanan Indonesia, 2017
Perluasan lahan pertanian dan pemukiman di daerah aliran sungai dan pemanfaatan danau yang intensif di Jawa menimbulkan masalah kualitas seperti eutrofikasi yang dicirikan oleh melimpahnya jenis fitoplankton tertentu. Penelitian ini bertujuan untuk mengetahui karakteristik komunitas fitoplankton dan faktor-faktor lingkungan yang menentukan ...
openaire   +3 more sources

Degradasi Vegetasi Hutan Konservasi Danau Pulau Besar Danau Bawah Kabupaten Siak Provinsi Riau

open access: yesDinamika Lingkungan Indonesia, 2015
Wildlife Sanctuary of Danau Pulau Besar Danau Bawah is surrounded by a forestconservation area of industrial timber estates and villages inhabited by indigenous peopleswhere their lives are very dependent on the forest. The consequence of these conditions is thatforest degradation is quite serious as the encroachment of trees and forest ...
Syafriadiman   +3 more
openaire   +2 more sources

Current knowledge on population studies on five continental molluscs (Mollusca, Gastropoda et Bivalvia) of Santa Catarina State (SC, Central Southern Brazil region) [PDF]

open access: yesBiodiversity Journal, 2011
Although still very scarce, available knowledge on population studies on continental (land and freshwater)molluscs in the territory of Santa Catarina State is shortly analyzed and discussed.
A. Ignacio Agudo-Padrón
doaj  

Diversity dynamics in Nymphalidae butterflies: Effect of phylogenetic uncertainty on diversification rate shift estimates

open access: yes, 2013
The family Nymphalidae is the largest family within the true butterflies and has been used to develop hypotheses explaining evolutionary interactions between plants and insects.
Espeland, Marianne, Peña, Carlos
core   +2 more sources

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