Natural Resources Conservation and Research

ISSN:

2578-1936 (Online)

Journal Abbreviation:

Nat. Resour. Conserv. Res.

Natural Resources Conservation and Research (NRCR), is a peer-reviewed, open-access journal that delivers high-quality original articles significant in all disciplines of conservation of resources and sustainable management. Contributions may have relevance at regional, national or international scales and may focus at any level of research from individual resources or technologies to whole sectors or systems of interest. Contributors may emphasize any of the aforementioned aspects as well as scientific and methodological issues. NRCR aims to provide a communication and information exchange platform for a broad audience of conservationist, environmentalist, ecologist, researchers and professionals. Articles from related fields that are interesting to a broad readership are particularly welcome.

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As part of the submission process, authors are required to check off their submission's compliance with all of the following items, and submissions may be returned to authors that do not adhere to these guidelines.

The submission has not been previously published, nor is it under the consideration of another journal (or an explanation has been provided in Comments to the Editor).
The submission file is in Microsoft Word or Latex format.
Where available, URLs for the references have been provided.
The text adheres to the stylistic and bibliographic requirements outlined in the Author Guidelines, which is found in About the Journal.
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Article Processing Charges (APCs)

Natural Resources Conservation and Research is an Open Access journal under EnPress Publisher. All articles published in Natural Resources Conservation and Research are accessible electronically from the journal website without commencing any kind of payment. In order to ensure contents are freely available and maintain publishing quality, Article Process Charges (APCs) are applicable to all authors who wish to submit their articles to the journal to cover the cost incurred in processing the manuscripts. Such cost will cover the peer-review, copyediting, typesetting, publishing, content depositing and archiving processes. Those charges are applicable only to authors who have their manuscript successfully accepted after peer-review.

Journal Title	APCs
Natural Resources Conservation and Research	$1000

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EnPress Publisher is committed to promoting academic development in the world without any financial barrier to knowledge sharing and learning. A waiver policy has been developed especially for authors from low-income countries. Authors who are interested in applying for a waiver may contact the editorial office of the journal. EnPress Publisher reserves the right to approve or reject any waiver application. APC waivers do not influence editorial decisions.

Vol 7, No 2 (2024)

Open Access

Article

Article ID: 5582

Abstract

PDF

Biodiversity and conservation of conservation priority fish species in the Nicaraguan volcanic crater lakes

by Jeffrey K. McCrary

Nat. Resour. Conserv. Res. 2024 , 7(2); 185 Views

doi: 10.24294/nrcr.v7i2.5582

Abstract The theory of island biogeography was tested in Nicaraguan volcanic crater lakes, colonized by fish from the older and larger source Nicaraguan Great Lakes. Spearman correlations of ranked molecular phylogenetic diversity in the Midas cichlid species complex ( Amphilophus cf. citrinellus ) were significant ( p ≤ 0.05) or marginally significant (0.05 < p ≤ 0.10) with diversity with crater lake age in three of four data sets tested. Correlations were noted with deepwater area, the product of littoral area and age, and with the product of horizontal and vertical barriers between the crater lakes and the nearest source lakes divided by the product of littoral area and age. By treating the Midas cichlid species complex as a single taxon, ranked fish taxon richness in each lake correlated significantly with lake age, littoral area, and with the product of age and littoral area. These results support the concept that littoral area and lake age may be factors in the colonization of volcanic crater lakes from the source lakes, and the amount of deep water in a lake as well as lake age may be important factors in speciation in the Midas cichlid species complex. Seven species from the crater lakes have been classified as Critically Endangered by the IUCN.

Open Access

Article

Article ID: 6593

Abstract

PDF

Cost-effective strategy of treating chromite ore processing residue (COPR); production of chromate, subsequent detoxification and in-situ stabilization

by Hui-Won Kim, Yong-Nam Kim, Myong-Chol Ryu, Yong-Gun Han

Nat. Resour. Conserv. Res. 2024 , 7(2); 64 Views

doi: 10.24294/nrcr.v7i2.6593

Abstract It is a great importance of finding the cost-effective strategy of treating chromite ore processing residue (COPR). Cr(Ⅵ), presented in aqueous media, could easily be reduced, adsorption and removed from water body through a proper treatment, but Cr(Ⅵ), incorporated in COPR, could not, due to its characteristic inherent to COPR. In general, the reduction and adsorption of Cr(Ⅵ) could take place at a low pH, the COPR, however, has a high acid neutralizing capacity, so that a great deal of the inorganic acid would be required to maintain its pH at low value. In this work, a series of treatment trials, comprised of the production of chromate from COPR by leaching process, the subsequent detoxification and in-situ stabilisation of post-leached COPR (plCOPR) were conducted. After column extracting process using the seawater, Cr(Ⅵ)-containing leachate of 600~800 mg/L is led to the ion exchange columns, charged with the anion exchange resin, to adsorb the Cr(Ⅵ) until the effluent contains Cr(Ⅵ) of 5 mg/L. The Cr(Ⅵ) loaded ion exchange column was eluted by NaOH solution and the maximum concentration of Cr(Ⅵ) in the elution was 43.1 g/L. Afterward, plCOPR was mixed with sodium sulfide and iron sulfide+lime as a reductant and a stabiliser, respectively, and the mixture was discharged directly from the mixer and piled on a certain area. After 360 d of curing, Cr(VI) concentration in the leachate from the toxicity characteristic leaching procedure (TCLP) was arrived at 1.2 mg/L, below the regulatory limit disposal standard (HJ/T 301-2007, 3 mg/L).

Announcements


Announcing the Release of Volume 7, Issue 1, 2024 Online!
We are thrilled to announce that the latest edition of our publication, Volume 7, Issue 1, for the year 2024, is now available online! This issue is packed with insightful articles that we believe will be of great interest to our readers. To access this exciting content, simply visit our website and navigate to Vol 7, No 1 (2024). We encourage you to explore the diverse range of topics covered in this issue and share your thoughts with us. Thank you for your continued support. We look forward to your feedback and engagement with this new issue.
Posted: 2024-07-07	More...

World Environment Day!

Posted: 2024-06-05

Please follow the new Author Guidelines for your submission!
Please follow the journal's author guideline and the required article template to prepare your manuscript.
Posted: 2023-12-26	More...