Error message

  • Deprecated function: Return type of DateObject::__wakeup() should either be compatible with DateTime::__wakeup(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include_once() (line 143 of /home/makzoology/public_html/sites/all/modules/date/date_api/date_api.module).
  • Deprecated function: Return type of DateObject::format($format, $force = false) should either be compatible with DateTime::format(string $format): string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include_once() (line 143 of /home/makzoology/public_html/sites/all/modules/date/date_api/date_api.module).
  • Deprecated function: Return type of DateObject::setTimezone($tz, $force = false) should either be compatible with DateTime::setTimezone(DateTimeZone $timezone): DateTime, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include_once() (line 143 of /home/makzoology/public_html/sites/all/modules/date/date_api/date_api.module).
  • Deprecated function: Optional parameter $input declared before required parameter $form_state is implicitly treated as a required parameter in include_once() (line 1439 of /home/makzoology/public_html/includes/bootstrap.inc).
  • Deprecated function: Optional parameter $rrule declared before required parameter $item is implicitly treated as a required parameter in include_once() (line 1439 of /home/makzoology/public_html/includes/bootstrap.inc).
  • Deprecated function: Optional parameter $rrule_values declared before required parameter $item is implicitly treated as a required parameter in include_once() (line 1439 of /home/makzoology/public_html/includes/bootstrap.inc).
  • Deprecated function: Optional parameter $data declared before required parameter $name is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $data declared before required parameter $name is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $file declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $account declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $entity declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $account declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $values declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $view_mode declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).
  • Deprecated function: Optional parameter $langcode declared before required parameter $entity_type is implicitly treated as a required parameter in require_once() (line 341 of /home/makzoology/public_html/includes/module.inc).

Ronald Paul Ddumba Semyalo

Ronald Paul Ddumba Semyalo (B.Sc, MSc., PhD)

Lecturer,

Makerere University, College of Natural Sciences,

Department of Entomology and Fisheries Sciences

P.O. Box 7062, Kampala, Uganda

Email: semyalo@cns.mak.ac.ug / ronald.semyalo@gmail.com

Tel: +256 701 601797

Dr. Ronald Semyalo is a Limnologist and Lecturer, with teaching and research experience in Hydrobiology, non-conventional use of aquatic resources, Biostatistics and Advanced Fish population dynamics. He has an MSc in Zoology (Fisheries and Aquatic Sciences) (Makerere University) and a PhD in Biology (University of Bergen).