This journal has not published any issues.

Image issue cover:
Siem Reap near Angkor Wat, Cambodia
(Courtesy of Gianfranco Varini)

Impact Factor 2025

Search

Search Results

##search.searchResults.foundPlural##

Horizontal distribution of Cladocera in a subtropical lake marginal to a river

Rafael Campanelli Mortari, Raoul Henry

01-09-2015

https://doi.org/10.4081/jlimnol.2015.1171

3620

Downloads: 1150

HTML: 1520
Nitrogen budget of Lago Maggiore: the relative importance of atmospheric deposition and catchment sources

Rosario MOSELLO, Alberto BARBIERI, Maria Cristina BRIZZIO, Alcide CALDERONI, Aldo MARCHETTO, Stefania PASSERA, Michela ROGORA, Gabriele TARTARI

27-40

01-02-2001

https://doi.org/10.4081/jlimnol.2001.27

2853

Downloads: 829
Aquatic Coleoptera assemblages in protected wetlands of North-western Spain

Amaia Pérez-Bilbao, Cesar João Benetti, Josefina Garrido

12-02-2014

https://doi.org/10.4081/jlimnol.2014.737

4598

Downloads: 1331

HTML: 1779
Combined effect of temperature and salinity on hatching characteristics of three fairy shrimp species (Crustacea: Anostraca)

Behroz Atashbar, Naser Agh, Gilbert Stappen, Johan Mertens, Lynda Beladjal

26-05-2014

https://doi.org/10.4081/jlimnol.2014.954

3755

Downloads: 1497

HTML: 1538
A georeferenced dataset of Italian occurrence records of the phylum Rotifera

Vittoria Ferrari, Arianna Gualdi, Isabella Bertani, Diego Fontaneto, Lyudmila Kamburska, Karimullah Karimullah, Federico Marrone, Ulrike Obertegger, Giampaolo Rossetti, Rocco Tiberti, Tommaso Cancellario

06-02-2023

https://doi.org/10.4081/jlimnol.2023.2107

2728

Downloads: 846

HTML: 133
A case study of the planktonic communities in two hydrologically different oxbow lakes, Vistula River, Central Poland

Ewa A. Dembowska, Paweł Napiórkowski

16-12-2014

https://doi.org/10.4081/jlimnol.2014.1057

4218

Downloads: 1875

HTML: 1184
Factors driving semi-aquatic predator occurrence in traditional cattle drinking pools: conservation issues

Raoul Manenti, Nicola Zanetti, Roberta Pennati, Giorgio Scarì

09-08-2016

https://doi.org/10.4081/jlimnol.2016.1447

3941

Downloads: 1144

HTML: 1145
Sediment phosphorus release sustains nuisance periphyton growth when nitrogen is not limiting Sediment phosphorus sustains nuisance periphyton

Bradley J. Austin, Violet Eagle, Michelle A. Evans-White, J. Thad Scott, Brian E. Haggard

03-04-2020

https://doi.org/10.4081/jlimnol.2020.1913

3068

Downloads: 844

HTML: 31
Ecological dynamics of two remote alpine lakes during ice-free season

Rocco Tiberti, Sabino Metta, Martina Austoni, Cristiana Callieri, Morabito Giuseppe, Marchetto Aldo, Michela Rogora, Gabriele A. Tartari, Jost Von Hardenberg, Antonello Provenzale

e33

29-05-2013

https://doi.org/10.4081/jlimnol.2013.e33

5991

Downloads: 1529

HTML: 1384
A 100-year record of climate change and human activities inferred from the geochemical composition of sediments in Chaiwopu Lake, arid northwest China

Wen Liu, Jinglu Wu, Xiangliang Pan

07-01-2016

https://doi.org/10.4081/jlimnol.2016.1301

4270

Downloads: 1826

HTML: 1444
Heat shock proteins in encysted and anhydrobiotic eutardigrades

Tiziana Alterio, Roberto Guidetti, Deborah Boschini, Lorena Rebecchi

e22

19-01-2012

https://doi.org/10.4081/jlimnol.2012.e22

2150

Downloads: 1192

HTML: 355
Management of forest vegetation data series: the role of database in the frame of Quality Assurance procedure

Roberto CANULLO, Giandiego CAMPETELLA, Maria-Cristina ALLEGRINI, Vincenzo SMARGIASSI

100-105

01-09-2002

https://doi.org/10.4081/jlimnol.2002.s1.100

1964

Downloads: 735
Effect of water quality on the feeding ecology of axolotl Ambystoma mexicanum

Diego de Jesus Chaparro-Herrera, Sarma Nandini, S.S.S. Sarma

e46

21-10-2013

https://doi.org/10.4081/jlimnol.2013.e46

10782

Downloads: 2458

HTML: 3310
Seasonal variation of mercury and δ15N in fish from Lake Heddalsvatn, southern Norway

Clara E. Moreno, Eirik Fjeld, Min K. Deshar, Espen Lydersen

11-06-2014

https://doi.org/10.4081/jlimnol.2014.918

3087

Downloads: 1205

HTML: 1210
Ecology and conservation of the Mediterranean trout in the central Apennines (Italy) Native trout ecology in Mediterranean basins

Massimo Lorenzoni, Antonella Carosi, Massimo Giovannotti, Gianandrea La Porta, Andrea Splendiani, Vincenzo Caputo Barucchi

17-09-2018

https://doi.org/10.4081/jlimnol.2018.1806

3120

Downloads: 1312

HTML: 118
Daphnia diversity in water bodies of the Po River Basin

Silvia Marková, Catia Maurone, Erica Racchetti, Marco Bartoli, Valeria Rossi

16-12-2016

https://doi.org/10.4081/jlimnol.2016.1531

4597

Downloads: 1667

HTML: 859
Temporal changes in periphytic meiofauna in lakes of different trophic states

Fabian Schroeder, Walter Traunspurger, Kurt Pettersson, Lars Peters

e23

19-01-2012

https://doi.org/10.4081/jlimnol.2012.e23

3463

Downloads: 1455

HTML: 513
Changes in physico-chemical conditions and macrophyte abundance in a shallow soft-water lake mediated by a Great Cormorant roosting colony

Piotr Klimaszyk, Ryszard Piotrowicz, Piotr Rzymski

05-08-2014

https://doi.org/10.4081/jlimnol.2014.994

3514

Downloads: 1210

HTML: 890
Presence of carbepenemase-producing Enterobacteriaceae in the River Lambro basin, Italy: might sediment represent an important resistance reservoir?

Sara Giordana Rimoldi, Francesca Romeri, Anna Gigantiello, Cristina Pagani, Luigi Viganò, Annunziata Calvagna, Alessandro Tamoni, Mafalda Maresca, Maria Rita Gismondo, Fabrizio Stefani

20-07-2021

https://doi.org/10.4081/jlimnol.2021.2029

1181

Downloads: 513

HTML: 63
To flee or not to flee: detection, avoidance and attraction of profitable resources by Daphnia magna studied with olfactometer

Johann P. Müller, David Laloi, Claude Yéprémian, Cécile Bernard, Florence D. Hulot

e37

02-10-2013

https://doi.org/10.4081/jlimnol.2013.e37

4883

Downloads: 1156

HTML: 5119
The effects of microplastics size and type on entrapment by freshwater macrophytes under vertical and lateral deposition

Minli Wu, Yi Le Goh, Maxine A. D. Mowe, Peter A. Todd, Darren C.J. Yeo

09-04-2025

https://doi.org/10.4081/jlimnol.2025.2218

1602

Downloads: 747

HTML: 104
Response of alpine lakes and soils to changes in acid deposition: the MAGIC model applied to the Tatra Mountain region, Slovakia-Poland

Jiří KOPÁČEK, David HARDEKOPF, Vladimír MAJER, Petra ŠENÁKOVÁ, Evžen TUCHLÍK, Josef VESELÝ

143-156

01-02-2004

https://doi.org/10.4081/jlimnol.2004.143

2629

Downloads: 1031
Effect of intensive epilimnetic withdrawal on phytoplankton community in a (sub)tropical deep reservoir

Man Zhang, Qiu-Qi Lin, Li-Juan Xiao, Sheng Wang, Xin Qian, Bo-Ping Han

e35

02-10-2013

https://doi.org/10.4081/jlimnol.2013.e35

4018

Downloads: 1098

HTML: 1388
The occurrence and levels of cyanotoxin nodularin from Nodularia spumigena in the alkaline and salty Lake Burdur, Turkey

Fatma Sahindokuyucu Kocasari, Iskender Gulle, Sukru Kocasari, Selcuk Pekkaya, Firdevs Mor

02-04-2015

https://doi.org/10.4081/jlimnol.2015.1097

3551

Downloads: 1119

HTML: 1369
Phytoplankton-zooplankton coupling in a cascade of hypertrophic fishponds

Marija Radojičić, Michal Šorf, Barbora Müllerová, Radovan Kopp

21-09-2023

https://doi.org/10.4081/jlimnol.2023.2145

2851

Downloads: 782

HTML: 38
Morphology-based classification of functional groups for potamoplankton

Ning Chen, Ling Liu, Yanfeng Li, Danying Qiao, Yuanpo Li, Ying Zhang, Yiyan Lv

28-04-2015

https://doi.org/10.4081/jlimnol.2015.1173

4126

Downloads: 1762

HTML: 1027
Trends of phytoplankton characteristics and their communities in pre- and post-liming time in Lake Orta (1984-1998)

Giuseppe MORABITO, Delio RUGGIU, Pierisa PANZANI

91-100

01-02-2001

https://doi.org/10.4081/jlimnol.2001.91

2632

Downloads: 886
Sensitivity and uncertainty analysis on water quality modelling of Aguamilpa reservoir

Jesús G. Rangel-Peraza, José de Anda, Fernando A. González-Farías, Michael Rode

22-03-2016

https://doi.org/10.4081/jlimnol.2016.1391

4223

Downloads: 1207

HTML: 2016
Modelling beta diversity of aquatic macroinvertebrates in High Andean wetlands

Carolina Nieto, Daniel A. Dos Santos, Andrea E. Izquierdo, José S. Rodríguez, Héctor R. Grau

26-06-2017

https://doi.org/10.4081/jlimnol.2017.1600

4608

Downloads: 1521

HTML: 893
Preserving the heritage of limnology in Italy

Roberto Bertoni, Filippo Bertoni

13-07-2021

https://doi.org/10.4081/jlimnol.2021.2018

2619

Downloads: 927

HTML: 116
Lacustrine particle dynamics in high-altitude Estany Redó (Spain) - a high resolution sediment trap study

Thomas KULBE, Christian OHLENDORF, Michael STURM

89-99

01-08-2006

https://doi.org/10.4081/jlimnol.2006.89

2328

Downloads: 771
The impact of a catastrophic storm event on benthic macroinvertebrate communities in upland headwater streams and potential implications for ecological diversity and assessment of ecological status

Hugh B. Feeley, Stephen Davis, Michael Bruen, Sean Blacklocke, Mary Kelly-Quinn

e32

24-07-2012

https://doi.org/10.4081/jlimnol.2012.e32

5299

Downloads: 1539

HTML: 1020
Changes in life-history parameters of Daphnia longispina (Cladocera, Crustacea) as a function of water chemistry

Fátima T. Jesus, Celso Martins, António J.A. Nogueira

30-04-2014

https://doi.org/10.4081/jlimnol.2014.886

3867

Downloads: 1062

HTML: 1066
Distribution of subfossil chironomids (Diptera, Chironomidae) along a water depth gradient in the shallow Lake Spore, northern Poland Distribution of chironomids along a water depth gradient

Krzysztof Pleskot, Mónika Tóth, Karina Apolinarska

05-08-2019

https://doi.org/10.4081/jlimnol.2019.1916

1930

Downloads: 900

HTML: 38
Effects of natural surfactants on the spatial variability of surface water temperature under intermittent light winds on Lake Geneva

Mehrshad Foroughan, Ulrich Lemmin, David Andrew Barry

18-07-2022

https://doi.org/10.4081/jlimnol.2022.2048

3965

Downloads: 815

HTML: 147
Evaluation of ecological quality in peri-urban rivers in Mexico City: a proposal for identifying and validating reference sites using benthic macroinvertebrates as indicators

Angela Caro-Borrero, Javier Carmona Jiménez, Marisa Mazari Hiriart

18-08-2015

https://doi.org/10.4081/jlimnol.2015.1304

3909

Downloads: 1303

HTML: 1652
Forest ecosystem monitoring in Tuscany (Italy): past activities, present status and future perspectives

Luigi BARTOLOZZI, Ilaria BONINI, Renzo BORETTI, Filippo BUSSOTTI, Enrico CENNI, Alessandro CHIARUCCI, Alberto COZZI, Vincenzo DE DOMINICIS, Marco FERRETTI, Paolo GROSSONI, Gianluca LANDI, Claudio LEONZIO, Giovanni VIGNOZZI

129-136

01-09-2002

https://doi.org/10.4081/jlimnol.2002.s1.129

2570

Downloads: 882
Acidic pit lakes - The legacy of coal and metal surface mines

Brian A. Whitton

br1

06-02-2013

https://doi.org/10.4081/jlimnol.2013.br1

2450

Downloads: 1304

HTML: 1051
A preliminary evaluation of lake morphometric traits influence on the maximum growing depth of macrophytes

Mattia M. Azzella, Rossano Bolpagni, Alessandro Oggioni

24-03-2014

https://doi.org/10.4081/jlimnol.2014.932

4315

Downloads: 1573

HTML: 1258
A new technology for suspended sediment simulation in Lake Taihu, China: Combination of hydrodynamic modeling and remote sensing Hydrodynamic modeling and remote sensing in sediment simulation

Zhuo Zhang, Changchun Huang, Fei Guo, Zhiyao Song, Di Hu

18-02-2019

https://doi.org/10.4081/jlimnol.2019.1813

2299

Downloads: 1124

HTML: 86
Exploring copepod distribution patterns at three nested spatial scales in a spring system: habitat partitioning and potential for hydrological bioindication

Fabio Stoch, Barbara Fiasca, Tiziana Di Lorenzo, Silvano Porfirio, Marco Petitta, Diana M.P. Galassi

23-06-2015

https://doi.org/10.4081/jlimnol.2015.1209

4032

Downloads: 1476

HTML: 1065
Seasonal dynamics of stable isotopes and element ratios in authigenic calcites during their precipitation and dissolution, Sacrower See (northeastern Germany)

Philipp BLUSZCZ, Andreas LÜCKE, Christian OHLENDORF, Bernd ZOLITSCHKA

257-273

01-08-2009

https://doi.org/10.4081/jlimnol.2009.257

2852

Downloads: 1468
Spatial uniformity in depth optima of midges: evidence from sedimentary archives of shallow Alpine and boreal lakes

Tomi P. Luoto

e24

19-01-2012

https://doi.org/10.4081/jlimnol.2012.e24

2833

Downloads: 788

HTML: 477
Longitudinal recovery gradient of macroinvertebrates during different hydrological scenarios in a downstream river reach

Dimitar D. Doychev

07-06-2023

https://doi.org/10.4081/jlimnol.2023.2125

4101

Downloads: 3492

HTML: 97
Long-term changes of the crustacean zooplankton community in Lake Mjøsa, the largest lake in Norway

Jarl Eivind LØVIK, Gösta KJELLBERG

143-150

01-08-2003

https://doi.org/10.4081/jlimnol.2003.143

2942

Downloads: 1260
Structure and density population of the invasive mollusc Limnoperna fortunei associated with Eichhornia crassipes in lakes of the Middle Paraná floodplain

Gabriela E. Musin, Florencia Rojas Molina, Federico Giri, Verónica Williner

13-04-2015

https://doi.org/10.4081/jlimnol.2015.1107

2812

Downloads: 1014

HTML: 931
Application of QUAL2Kw to the Oglio River (Northern Italy) to assess diffuse N pollution via river-groundwater interaction NO3-N pollution estimated via QUAL2Kw

Hajar Taherisoudejani, Erica Racchetti, Fulvio Celico, Marco Bartoli

11-07-2018

https://doi.org/10.4081/jlimnol.2018.1761

2359

Downloads: 839

HTML: 120
Invasions and re-emergences: an analysis of the success of Bythotrephes in Lago Maggiore (Italy)

Marina MANCA

76-82

01-02-2011

https://doi.org/10.4081/jlimnol.2011.76

2611

Downloads: 791
Deep water warming in lakes: an indicator of climatic change

Walter AMBROSETTI, Luigi BARBANTI

1-9

01-02-1999

https://doi.org/10.4081/jlimnol.1999.1

4809

Downloads: 1873
Reproduction of Daphnia pulex in a Northern Italy pond

Valeria Rossi, Catia Maurone, Giorgio Benassi, Ireneo Ferrari

24-04-2014

https://doi.org/10.4081/jlimnol.2014.964

3601

Downloads: 1269

HTML: 1430
The role of the hydrological cycle on the temporal patterns of macroinvertebrate assemblages in an Andean foothill stream in Colombia

María I. Ríos-Pulgarín, Mario Barletta, María C. Arango-Jaramillo, Néstor J. Mancera-Rodríguez

22-03-2016

https://doi.org/10.4081/jlimnol.2016.1394

2719

Downloads: 1531

HTML: 1403
Influence of inter-annual environmental variability on chrysophyte cyst assemblages: insight from a 2-years sediment trap study in lakes from northern Poland

Iván Hernández-Almeida, Martin Grosjean, Sergi Pla-Rabes, Janusz Filipiak, Alicja Bonk, Wojciech Tylmann

14-02-2017

https://doi.org/10.4081/jlimnol.2017.1604

4230

Downloads: 968

HTML: 1255
Geochemistry of major and trace elements and their environmental significances in core sediments from Bosten Lake, arid northwestern China Geochemistry of Bosten Lake sediments in northwest China

Wen Liu, Jilili Abuduwaili, Long Ma

12-04-2019

https://doi.org/10.4081/jlimnol.2019.1875

2418

Downloads: 1152

HTML: 273
In situ effects of arsenic, aluminium and chromium stresses on algal periphyton of the river Ganga at Varanasi, India

Arpana Yadav, Lalit Kumar Pandey

30-06-2023

https://doi.org/10.4081/jlimnol.2023.2112

1911

Downloads: 574

HTML: 59
The population biology and life history traits of Eurasian ruffe [Gymnocephalus cernuus (L.), Pisces: Percidae] introduced into eutrophic and oligotrophic lakes in Northern Italy

Pietro Volta, Erik Jeppesen, Barbara Campi, Paolo Sala, Matthias Emmrich, Ian Winfield

e22

26-04-2013

https://doi.org/10.4081/jlimnol.2013.e22

4157

Downloads: 1074

HTML: 1477
Validation of chemical analyses of atmospheric deposition in forested European sites

Rosario MOSELLO, Monica AMORIELLO, Tiziana AMORIELLO, Silvia ARISCI, Andrea CARCANO, Nicholas CLARKE, John DEROME, Kirsti DEROME, Nils KOENIG, Gabriele TARTARI, Erwin ULRICH

93-102

01-08-2005

https://doi.org/10.4081/jlimnol.2005.93

2698

Downloads: 989
Diel vertical distribution of planktonic microcrustaceans (Crustacea: Cladocera, Copepoda) in a natural shallow lake from Transylvania, Romania

Karina P. Battes, Laura Momeu

04-03-2014

https://doi.org/10.4081/jlimnol.2014.890

2943

Downloads: 1361

HTML: 642
On the ecology of Cletocamptus gomezi Suárez-Morales, Barrera-Moreno & Ciros-Pérez 2013 (Crustacea, Copepoda, Harpacticoida) micro-endemic to Lake Alchichica, Central Mexico

Javier Alcocer, María del Carmen Hernández, Luis A. Oseguera, Elva Escobar

07-11-2014

https://doi.org/10.4081/jlimnol.2014.1070

2873

Downloads: 1001

HTML: 1083
Effect of starvation and subsequent feeding on glycogen concentration, behavior and mortality in the golden mussel Limnoperna fortunei (Dunker, 1857) (Bivalvia: Mytilidae)

Nelmara I.S. Cordeiro, Jennifer T.M. Andrade, Lângia C. Montresor, Dalva M.R. Luz, Carlos B. Martinez, Gustavo Darrigran, Jairo Pinheiro, Teofânia H.D.A. Vidigal

13-07-2016

https://doi.org/10.4081/jlimnol.2016.1465

3196

Downloads: 1172

HTML: 628
Long-term ecological research on Italian forest ecosystems: perspectives and conclusions

Rosario MOSELLO, Bruno PETRICCIONE, Aldo MARCHETTO

158-162

01-09-2002

https://doi.org/10.4081/jlimnol.2002.s1.158

2291

Downloads: 820
Wind variability and Earth’s rotation as drivers of transport in a deep, elongated subalpine lake: The case of Lake Garda Drivers of transport in Lake Garda

Marina Amadori, Sebastiano Piccolroaz, Lorenzo Giovannini, Dino Zardi, Marco Toffolon

11-09-2018

https://doi.org/10.4081/jlimnol.2018.1814

2474

Downloads: 1449

HTML: 179
Atlas of picocyanobacteria monoclonal strains from the collection of CNR-IRSA, Italy

Cristiana Callieri, Edoardo Mandolini, Roberto Bertoni, Rosaria Lauceri, Antonio Picazo, Antonio Camacho, Pedro Jose Cabello-Yeves

30-03-2021

https://doi.org/10.4081/jlimnol.2021.2002

1372

Downloads: 761

HTML: 34
Repeated flood disturbance enhances rotifer dominance and diversity in a zooplankton community of a small dammed mountain pond

Carmen Gabaldón, Miloslav Devetter, Josef Hejzlar, Karel Šimek, Petr Znachor, Jiří Nedoma, Jaromir Seda

29-12-2016

https://doi.org/10.4081/jlimnol.2016.1544

4735

Downloads: 1203

HTML: 842
Water chemistry and trophic evaluation of Lake Albano (Central Italy): a four year water monitoring study

Neil T.W. ELLWOOD, Patrizia ALBERTANO, Rosa GALVEZ, Renato FUNICIELLO, Rosario MOSELLO

288-303

01-08-2009

https://doi.org/10.4081/jlimnol.2009.288

3768

Downloads: 1399
Colonization of constructed ponds by crustacean zooplankton: local and regional influences

Chantal Audet, Shannon MacPhee, Wendel Keller

e43

09-10-2013

https://doi.org/10.4081/jlimnol.2013.e43

4413

Downloads: 931

HTML: 1251
Over twenty years trend of chloride ion concentration in Lake Biwa

Yasuaki AOTA, Michio KUMAGAI, Kanako ISHIKAWA

42-48

01-09-2003

https://doi.org/10.4081/jlimnol.2003.s1.42

2354

Downloads: 905
Past and present distribution of Myxas glutinosa (O.F. Müller, 1774) in the waterbodies of the Urals and Siberia

Maxim V. Vinarski, Maxim E. Grebennikov, Olga S. Shishkoedova

e27

26-04-2013

https://doi.org/10.4081/jlimnol.2013.e27

2930

Downloads: 826

HTML: 1141
Modern sedimentation processes in Laguna de Medina, southern Spain, derived from lake surface sediment and catchment soil samples

Jasmijn van 't Hoff, Tabea Schröder, Peter Held, Stephan Opitz, Bernd Wagner, Klaus Reicherter, Martin Melles

14-10-2016

https://doi.org/10.4081/jlimnol.2016.1499

4311

Downloads: 1011

HTML: 1596
Long-term adaptation of Daphnia to toxic environment in Lake Orta: the effects of short-term exposure to copper and acidification

Benedetta PONTI, Roberta PISCIA, Roberta BETTINETTI, Marina MANCA

217-224

01-08-2010

https://doi.org/10.4081/jlimnol.2010.217

3027

Downloads: 1019
Morphological abnormalities in cladocerans related to eutrophication of a tropical reservoir

Rômulo R.R. de Melo, Paula N. Coelho, Maria J. dos Santos-Wisniewski, Célio Wisniewski, Cristiana S. Magalhães

27-10-2016

https://doi.org/10.4081/jlimnol.2016.1395

4178

Downloads: 1331

HTML: 1616
Biological survey of lakes and reservoirs from Sardinia and Piedmont (Italy), a georeferenced dataset from the project LIFE INHABIT

Martina Austoni, Angela Boggero, Lyudmila Kamburska, Antonella Lugliè, Aldo Marchetto, Alessandro Oggioni, Bachisio M. Padedda, Pietro Volta, Silvia Zaupa

27-03-2023

https://doi.org/10.4081/jlimnol.2023.2114

1721

Downloads: 549

HTML: 30

301 - 371 of 371 items << < 1 2 3

© PAGEPress 2008-2026 • PAGEPress^® is a registered trademark property of PAGEPress srl, Italy • VAT: IT02125780185
This journal is published by PAGEPress® srl (Pavia, Italy), which is the data controller for all personal data processed through this platform. For full details on how your data is collected, used and protected, please read our Privacy Policy.