Patricio De Los Ríos-Escalante

Patricio De Los Ríos-Escalante
Temuco Catholic University | UCTemuco · Facultad de Recursos Naturales

Doctor in Sciences mention Systematics and Ecology / Assistant Professor

About

297
Publications
45,958
Reads
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1,643
Citations
Citations since 2016
160 Research Items
972 Citations
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2016201720182019202020212022050100150
Introduction
Research interests: - Crustacean systematics and ecology. - Aquatic ecology - Limnology
Additional affiliations
March 2013 - October 2021
Temuco Catholic University
Position
  • Editor
Description
  • Editor in Chief journal Sustainability Agri, Food and Environmental Research (ISSN: 0719-3726). More details in this site: https://portalrevistas.uct.cl/index.php/safer
March 2004 - October 2021
Temuco Catholic University
Position
  • Professor (Assistant)
Education
November 2020 - September 2021
Pontificia Universidad Católica de Chile
Field of study
  • Python and Data Science
August 2016 - January 2017
Temuco Catholic University
Field of study
  • Universitary Teaching
March 1999 - January 2004
Universidad Austral de Chile
Field of study
  • Systematics and Ecology

Publications

Publications (297)
Article
The Chilean north Patagonian lakes are characterized by their marked oligotrophic or oligome-sotrophic status and low abundance of zooplankton species; many of the lakes with oligomesotrophic status are associated with human intervention due to towns on their shores. The aim of the present study was to determine the relations between spectral prope...
Article
Full-text available
The present work is based on analysis of inhibitory activity of alpha-amylase inhibitor in selected cultivars of Phaseolus vulgaris of Uttarakhand. Fifteen samples were assessed for inhibitory activity of alpha-amylase inhibitor. Significant variations were found in different cultivars. Crude extract of alpha-amylase inhibitor from sample PUR (Puro...
Article
Full-text available
The deep-water rose shrimp, Parapenaeus longirostris (H. Lucas, 1846), is the most dominant shrimp species on the Algerian west coast. In that area, the diet of P. longirostris was studied between July 2020 and June 2021. This approach to the diet of the rose shrimp was based on analysis of the stomach contents and determination of the ingested pre...
Article
The deep-water rose shrimp, Parapenaeus longirostris (H. Lucas, 1846), is the most dominant shrimp species on the Algerian west coast. In that area, the diet of P. longirostris was studied between July 2020 and June 2021. This approach to the diet of the rose shrimp was based on analysis of the stomach contents and determination of the ingested pre...
Article
Full-text available
Although Hydroidolinae are abundant and ecologically important in Pakistan, their study appears to be lacking. The genus Lensia has 37 species, which are found all over the world. It is the most diverse genus of the Hydroidolinae. Only five species have been recorded in Pakistani waters. However, three species, Lensia meteori (Leloup, 1934), L. har...
Article
Full-text available
Research of benthic macrofauna of the Algerian west coasts is generally rare and mainly concerns a single species. The present work created an inventory of the macrobenthos explaining their distribution in the eastern sector of the Gulf of Oran. A total of 506 individuals sampled at 14 sites in winter 2019 were identified as four main taxa (279 pol...
Article
Full-text available
A total of 46 samples were taken in the softbottom of the Gulf of Oran, in order to study the nature of the sediments and the spatial distribution of the mollusc communities. As a result of sampling in the study area, at depth range (30 m -106 m), a total of 29 species were identified, included in two classes: Gastropoda and Bivalvia. The use of mu...
Article
Full-text available
The decapod fauna in the intertidal zone of the rocky shores of Chile is highly diverse, especially along the northern and central mainland coasts, where the influence of the cold Humboldt Current results in high productivity. One of the most abundant species in these ecosystems is the decapod Cyclograpsus cinereus Dana, 1851. The aim of the presen...
Article
Full-text available
Lately, agriculture, livestock, forestry, and aquaculture activities have been greatly developed in Chilean North Patagonia, negatively impacting the balance of the environmental conditions in lakes and affecting the development and survival of several native species. The aim of this study was to assess the anthropic impact on a zooplankton communi...
Article
During the past three decades, various methods have been developed to improve the classification accuracy in very high resolution (< 2 m) satellite data. This study's main goal was to evaluate and select the most suitable classification approach for detecting deadwood potentially useful for energy projects that would satisfy part of the demand for...
Article
Full-text available
The communities of aquatic insects in Chilean inland waters are characterized by the presence of determined species in function of water quality, but there is scarce information about statistical ecology in insects communities structure. The aim of the present study was to apply the null models for explain the structure of aquatic insects in Maqueh...
Article
Full-text available
One of the biological indicators most used to determine the health of a fluvial ecosystem are the benthic macroinvertebrates. The presence of recurrent species in a wide gradient of latitudes, dominates the biogeographic pattern of the benthic macroinvertebrates in Chilean fresh waters, nevertheless the knowledge on the communitarian ecology of the...
Article
The intertidal crustaceans on the Chilean coast are characterized by high diversity and niche specialization. The present study applied a size-overlap null model analysis for intertidal decapod communities in a central Chilean rocky beach (El Quisco, 32°24′S). The application of six models simulations revealed that there is a size overlap, confirme...
Article
Antofagasta Bay is characterized by having a high primary productivity due to the presence of the cold Humboldt Stream. However, due to the current global climate change, also the previously generated biodiversity patterns are changing. The aim of the present study was analysing Antofagasta Bay in order to determine the existence of correlations be...
Article
Full-text available
Dengue fever (DF) is increasingly recognized as one of the world's major mosquito borne diseases and causes significant morbidity and mortality in tropical and subtropical countries. Dengue fever is endemic in most part of Pakistan and continues to be a public health concern. Knowledge, attitude and practices can play an important role in managemen...
Preprint
The decapod fauna in intertidal rocky shore in continental Chile has high species diversity mainly in northern and central Chile due high productivity of these coast due influence of cold Humboldt stream. One of the abundant species in these ecosystems is decapod Cyclograpsus cinereus Dana, 1851. The aim of the present study was determine the spati...
Article
Full-text available
The tiger crab Aegla concepcionensis Schmitt, 1942 (Decapoda, Aeglidae) is a threatened freshwater decapod, endemic of Chile, with significant gaps in knowledge about its biology and ecology. The aim of this work was to contribute to the knowledge of the ecology of A. concepcionensis, through the extension of its known distribution range, recorded...
Article
Full-text available
The Seybouse is the second largest river basin in Algeria, hosting an important biodiversity and providing various ecosystem services. This watershed is highly influenced by agricultural and industrial activities, which threaten its biodiversity and ecosystem integrity. The use of benthic macroinvertebrates as biological indicators has a long tradi...
Article
In northern central Chile, ephemeral pools constitute shallow isolated water bodies with a favourable habitat for fauna adapted to seasonal changes. Based on the limited knowledge about the fauna-particularly insects-associated to these ecosystems, the objective of this study was to characterize the richness, composition, structure and similarity o...
Article
Full-text available
Present study was conducted among school children to recognize the prevalence of IPIs in rural communities of district Dir Lower, Pakistan. A sum of 324 samples of stool were collected (210 boys and 114 girls). Used direct smear method and formol ether sedimentation concentration technique for processing the samples. The result shows that 82% (n=26...
Article
Full-text available
Seven hundred and twenty-four fish specimens were captured from March to September 2016. The materials used in the current study were cast nets, hand nets. Eight cyprinid fish species were studied for their length-weight relationships. Parameter b in the LWR was 3.03, 3.06, 3.02, 2.29, 2.82, 3.43, 2.73 and 2.47 for Schizothorax plagiostomus, Schizo...
Article
Full-text available
The north Patagonian lakes in their original stage were characterized by their marked oligotrophy, with high abundance of mixotrophic ciliates in lakes with native forest in their surrounding basins. Nevertheless, in the last decades, it was a replace of native forest of different kind of human activities, such as towns and agricultural zones, that...
Article
A total of 46 samples were taken in the softbottom of the Gulf of Oran, in order to study the nature of the sediments and the spatial distribution of the mollusc communities. As a result of sampling in the study area, at depth range (30 m -106 m), a total of 29 species were identified, included in two classes: Gastropoda and Bivalvia. The use of mu...
Article
Full-text available
Dissotichus eleginoides has a discontinuous circumpolar geographic distribution restricted to mountains and platforms, mainly in Subantarctic and Antarctic waters of the southern hemisphere, including the Southeast Pacific, Atlantic and Indian oceans and in areas surrounding the peninsular platforms of subantarctic islands. The aim of this work was...
Poster
Full-text available
Agricultural, livestock, forestry and aquaculture activities have recently expanded in Chile's North Patagonia, affecting the balance of environmental conditions in the lakes, and threatening the development and survival of the aquatic species present. The aim of this study was to evaluate the anthropogenic impact on zooplankton communities, assess...
Article
Full-text available
The southern king crab, Lithodes santolla, is an important fishery resource in the inner seas of Chilean Patagonia. The fishing gear used to catch southern king crab (bait trap) and its operation at different depths over several months provide the opportunity to gather information about relative abundance. The aim of the present study was to analyz...
Article
Full-text available
The COVID-19 is a contagious viral disease, was first emerged in Wuhan, China in December 2019 and became the whole world on alert. The mortality rate in top most countries in Asia with special reference to Pakistan has been focused. Since February 26 to September 2020 the total confirmed cases and mortality rate was measured through Wikipedia and...
Preprint
The Southern king crab, Lithodes santolla, is an important fishery resource in the inner seas of Chilean Patagonia. The fishing gear used to catch Southern king crab (bait trap) and its operation at different depths over several months provide the opportunity to gather information about relative abundance. The aim of the present study was to analyz...
Article
Full-text available
Background Forest ecosystems provide services that are important for human use; one of the most critical ecosystem services is the provision and regulation of water. Basins with high forest improves hydrological functionality by promoting reduction in surface runoff, increase infiltration and aquifer recharge, and ensures base flow regulation among...
Article
Full-text available
Tapeworms of zoonotic importance have been described as a leading public health problem. Current research was aim to assess the prevalence of tapeworms among 5-12years school children residing in district Lower Dir, Pakistan from January 2019-December 2019. The wet mount preparation in saline/iodine/methods were used for stool examination. Data was...
Article
Full-text available
Galaxias maculatus aquaculture objectives is to produce millions of eggs. Wild females are small (2 g), have quick sexual maturity and low mean fecundity (500 eggs/female), requiring larger fishes with higher fecundity. This study aim is to evaluate experimentally the effect of the levels of protein, lipid and dietary energy on weight increases in...
Article
The pattern of species richness and its potential causes are fundamental knowledge for an adequate management of biodiversity. In the present study, based on georeferenced lacustrine zooplankton, we evaluated the general species richness pattern and its relationship with hydrographic zonation, assessing four hypotheses: (1) the Rapoport latitudinal...
Article
Full-text available
The intertidal rocky shores in continental Chile have high species diversity mainly in northern Chile (18-27° S), and one of the most widespread species is the gastropod Echinolittorina peruviana (Lamarck, 1822). The aim of the present study is do a first characterization of spatial distribution of E. peruviana in along rocky shore in Antofagasta t...
Article
Full-text available
The atmospheric and anthropogenic stressors and their impact on trophic states of the Chilean northern Patagonian lakes need the assessment of interconnection between land-based drivers, the potential pressures, and effects. Achieving this goal requires adequate contemplating on the social and economic factors that influence decision-making aro...
Article
Full-text available
A four-week feeding trial on the simultaneous replacement of 0 to 50% of soybean meal and 0 to 100% of soybean oil on the growth performance, carcass composition and profitability was conducted using 45 randomly chosen one-week-old growing Japanese quail. The five experimental diets were; D0= Diet containing 20% soybean meal and 4% soybean oil (con...
Article
Full-text available
Pilgerodendron uviferum (D. Don) Florin is an endemic, threatened conifer that grows in South America. In the sub-Antarctic territory, one of the most isolated places in the world, some forest patches remain untouched since the last glaciation. In this study, we analyze the tree structure and tree diversity and characterize the environmental condit...
Article
Full-text available
The Cautín River is closely related with the economic development of Temuco city, (38°S; Chile). Existing knowledge of the Cautín River is limited to information about its biological characteristics as a reference for the evaluation and assessment of water quality. The object of this study was to develop taxonomic characterisation of the benthic m...
Article
Full-text available
Temporary pools are freshwater bodies of significant interest due to their high species diversity, and the colonization and extinction processes observed at temporal scales. The aim of the present study was to perform a short-term ecological comparison in a group of shallow temporary pools in northern Chilean Patagonia in two periods, August and Se...
Chapter
Full-text available
The study assessed the percentage of survival and metamorphosis of larval stages of Caligus rogercresseyi (Boxshall & Bravo, 2000) nauplius I, nauplius II to and nauplius II to copepodite, nauplius I or nauplius II, at temperature of 12°C, 15°C and 18°C; salinity 20, 23, 25, 27, 29, 31, 33 and 35 g/L and oxygen saturation with ranges between 30-60%...
Article
Full-text available
The terrestrial isopods of Chile make a group on which until now only a few studies have been done, most of which based mainly on species records in isolated zones. The aim of the present study was to make an attempt at characterization of the isopods present in three coastal protected areas in the Atacama Desert and northern-central Chile, and com...
Article
The Araucania region (38° S, Chile) originally had native perennial forest in middle valleys regions, that was gradually replaced by towns and agricultural zones during the last century, nevertheless there is some relicts of these native forests that are preserved, one of these relicts is Rucamanque, a protected area in the surrounding of Temuco to...
Article
Full-text available
In northern Patagonia, there is a kind of water body characterized as fl ooded plains (vegas), resulting from heavy rains. Th ey have submerged vegetation that sustains aquatic insects and crustaceans, including burrowing crayfi sh of the genus Parastacus. Th e object of the present study was to present the fi rst description of the community struc...
Article
The brachyuran crab, Leurocyclus tuberculosus (H. Milne Edwards & Lucas, 1842) is widely distributed along the Atlantic coast of South America, but there are no precise records about its occurrence on the Chilean Pacific coast. The present study is a description of four juvenile specimens of L. tuberculosus collected from an intertidal prairie of G...
Article
Full-text available
The oyster culture has the incrusting organism as problem for production, in this context, it evaluated as biological control against incrusting organism and sediments the introduction of gastropod Tegula atra (Lesson, 1830) in Chilean oysters (Triostrea chilensis Phillippi, 1844) cultures in conditions of starvation presence and absence located in...
Chapter
Full-text available
A list of deep-water species (> 200 m depth) of isopods and decapod crustaceans from off Chile is presented, including the areas of South America, the Antarctic, and offshore islands. Also included are the species that were collected in the Nazca and Sala y Gómez seamounts areas during the ex-Soviet Union Expeditions in the 1970s (1973–1978), altho...
Article
Full-text available
An isopod of the family Aegidae, provisionally referred to as Rocinela aff. australis Schiœdte & Meinert, 1879, is reported from the Patagonian tootfish Dissostichus eleginoides Smitt, 1898, from off the Biobio region, Chile. One specimen was collected, its body suboval, symmetrical, the dorsum weakly vaulted, stout, and with a few pits on the body...
Article
Full-text available
The Patagonian blenny (Eleginops maclovinus) is species endemic to South America with physiological characteristics that would facilitate its incorporation into Chilean aquaculture. However, there is currently no specific artificial food that can be used to raise E. maclovinus. In light of this problem, this study describes the proximal composition...
Article
Full-text available
The genus Diaphanosoma Fisher, 1850 is widely distributed in the world, excepting Antarctica and New Zealand (Korovchinsky, 2018). According to Kotov et al. (2013), the genus Diaphanosoma comprise a total of 34 species, however, only one species (D. brachyurum Lieven 1848) is known in Ecuador (López et al., 2018). This occurrence is questionable be...
Preprint
Full-text available
The present work is based on analysis of inhibitory activity of alpha-amylase inhibitor in selected cultivars of Phaseolus vulgaris of Uttarakhand. Fifteen samples were assessed for inhibitory activity of alpha-amylase inhibitor. Significant variations were found in different cultivars. Crude extract of alpha-amylase inhibitor from sample PUR (Puro...
Article
Full-text available
The Patagonian blenny (Eleginops maclovinus) is species endemic to South America with physiological characteristics that would facilitate its incorporation into Chilean aquaculture. However, there is currently no specific artificial food that can be used to raise E. maclovinus. In light of this problem, this study describes the proximal composition...
Article
La ciencia procura siempre alcanzar la máxima objetividad del sujeto como investigador, pero éste en realidad no puede escapar a su subjetividad, y por lo tanto, de pensar de manera abstracta la realidad en que están inmersos el “objetoobservado” y el “sujeto-observador”. Durante el siglo XX, algunos filósofos de la ciencia, tales como Karl R. Popp...
Presentation
AI can be utilized in conserving species of aquatic life forms and it helps in maintaining sustainability in open sea fishery. AI helps significantly in preventing illegal, unreported, and unregulated (IUU) fishing so as to coach AI methods, it's required to supply historical labeled data. in order that we provided a suggestion to utilize neural ar...
Conference Paper
Full-text available
In the current century, the world is faced with unprecedented pandemic not only on humans but also on fish, especially marine mammals. The coronavirus subfamily; Coronavirinae is divided into four genera, alpha-, beta-, gamma-, and delta (α, β, γ, and δ) coronavirus. The γ coronaviruses are found in birds and aquatic mammals including bottlenose do...
Conference Paper
Full-text available
This Conference reviews smart fish farming systems that demonstrate how complex science and technology can be made easy for application in seafood production systems. In this context, the focus of this Conference is on the use of artificial intelligence (AI) in fish culture. It aims to protect fish farms from sudden shortages by early detection...