Navigation Links
Tasty meal out of reach
Date:7/3/2008

Dutch Rubicon laureate Chris Smit has concluded that small mammals, such as rabbits and mice, play a major role in the development of natural diversity. Smit researched how scrub becomes established in natural grassland. It seems that prickly shrubs are important in protecting plants and preventing animal species from grazing. Smit has also demonstrated that natural disturbances such as flooding and animal diseases are very important for the diversity of natural areas.

Smit investigated a large number of blackthorn seedlings between five and ten years old in the Junner Koeland, a 100 ha, species-rich natural area along the Overijsselse Vecht river, which has been grazed extensively for centuries. Young blackthorns have scarcely been spotted there over the past 30 years. These observations coincided with a considerable reduction in the rabbit population since the end of the 1990s, caused by the disease viral haemorrhagic septicaemia (VHS).

The establishment of scrub is an important process that leads to greater variation and diversity in a landscape. Prickly shrubs such as blackthorn and hawthorn provide a valuable safe haven for many plant and animal species. The thorns protect these plants and animals from grazing by large mammals.

Smit's experiments show that blackthorn seeds under the scrub are quickly eaten by small mammals such as mice. Thorns provide no protection against this. However, Smit discovered that the young plants in the Junner Koeland frequently grew in recently flooded sections among high vegetation that was inedible for grazers. Blackthorn seeds in the inedible vegetation have better chances of survival. Thus, large and small grazers together limit the spread of blackthorn, with the influence of the small grazers seeming to be the greater. Current nature management policies will need to take more account of the importance of small mammals and natural disturbances when it comes to the diversity of natural grasslands.

Natural diversity

Large grazers have now been introduced on a wide scale in Dutch natural areas. One of the main aims of this introduction is to promote greater natural diversity in the landscape. Greater diversity leads to more plant and animal species. This will please many people, from conservationists to tourists. A young oak tree, for example, which represents a tasty meal for large grazers, is only safe from them within prickly shrubs. Ultimately, this leads to magnificent single oaks surrounded by a mantle of scrub.


'/>"/>

Contact: Chris Smit
smitchr@gmail.com
31-620-729-773
Netherlands Organization for Scientific Research
Source:Eurekalert

Related biology news :

1. Cogent Systems and Northrop Grumman Reach Agreement to Settle Automated Fingerprint Identification Technology Suit and Create Strategic Alliance
2. Rutgers high school outreach gets $3 million boost from NSF
3. Cogent Systems and Northrop Grumman Reach Agreement to Settle Automated Fingerprint Identification Technology Suit and Create Strategic Alliance
4. Thinking makes it so: Science extends reach of prosthetic arms
5. Carnivores in recent study help Bergmanns rule reach the 21st century
6. Private Rocketeers reach for space -- science writer in Canada to explain
7. Undergraduate bioscience research reaches new horizons
8. APS names 2 minority outreach fellows
9. PNNL reaches goal to change world one light at a time
10. Montana State University research reaches Supreme Court of India
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/31/2016)... 2016   LegacyXChange, ... "Company") LegacyXChange is excited to release its ... to be launched online site for trading 100% guaranteed ... will also provide potential shareholders a sense of the ... an industry that is notorious for fraud. The video ...
(Date:3/29/2016)... RATON, Florida , March 29, 2016 ... or the "Company") LegacyXChange "LEGX" and SelectaDNA/CSI Protect are ... DNA in ink used in a variety of writing ... theft. Buyers of originally created collectibles from athletes on ... through forensic analysis of the DNA. ...
(Date:3/22/2016)... India , March 22, 2016 /PRNewswire/ ... market research report "Electronic Sensors Market for Consumer ... Proximity, & Others), Application (Communication & IT, ... Geography - Global Forecast to 2022", published ... industry is expected to reach USD 26.76 ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... ... 27, 2016 , ... Rolf K. Hoffmann, former senior vice ... University of North Carolina Kenan-Flagler Business School effective June 27. , ... with a focus on the school’s international efforts, leading classes and participating in ...
(Date:6/24/2016)... 2016 Epic Sciences unveiled a liquid ... to PARP inhibitors by targeting homologous recombination deficiency ... new test has already been incorporated into numerous ... types. Over 230 clinical trials are ... including PARP, ATM, ATR, DNA-PK and WEE-1. Drugs ...
(Date:6/23/2016)... ... 2016 , ... UAS LifeSciences, one of the leading manufacturers ... Probiotics, into Target stores nationwide. The company, which has been manufacturing high quality ... list of well-respected retailers. This list includes such fine stores as Whole Foods, ...
(Date:6/23/2016)... June 23, 2016 Houston Methodist Willowbrook ... Cy-Fair Sports Association to serve as their official ... Houston Methodist Willowbrook will provide sponsorship support, athletic ... with association coaches, volunteers, athletes and families. ... Cy-Fair Sports Association and to bring Houston Methodist ...
Breaking Biology Technology: